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Total Categories: 7
Hermann Emil Louis Fischer commenced his life on October 9, 1852, in Euskirchen, Prussia.
Answer: True
Hermann Emil Louis Fischer commenced his life on October 9, 1852, in Euskirchen, Prussia.
Emil Fischer elected to utilize his middle name, Emil, rather than his first given name, Hermann, throughout his scientific career.
Answer: True
Emil Fischer elected to utilize his middle name, Emil, rather than his first given name, Hermann, throughout his scientific career.
Emil Fischer's paternal figure initially discouraged his pursuit of natural sciences, directing him toward the family business.
Answer: True
Emil Fischer's paternal figure initially discouraged his pursuit of natural sciences, directing him toward the family business.
Emil Fischer commenced his university studies at the University of Bonn in 1871, later transferring to Strasbourg.
Answer: False
Emil Fischer commenced his university studies at the University of Bonn in 1871, later transferring to Strasbourg.
Adolf von Baeyer, a distinguished Nobel laureate, served as Emil Fischer's doctoral advisor.
Answer: True
Adolf von Baeyer, a distinguished Nobel laureate, served as Emil Fischer's doctoral advisor.
Emil Fischer's principal research endeavors were concentrated on organic chemistry, particularly carbohydrates and purines, rather than inorganic chemistry or radioactivity.
Answer: False
Emil Fischer's principal research endeavors were concentrated on organic chemistry, particularly carbohydrates and purines, rather than inorganic chemistry or radioactivity.
Emil Fischer was born in Euskirchen, a town situated near Cologne, not Frankfurt.
Answer: False
Emil Fischer was born in Euskirchen, a town situated near Cologne, not Frankfurt.
What was the complete birth name of the individual recognized professionally as Emil Fischer?
Answer: Hermann Emil Louis Fischer
The chemist recognized professionally as Emil Fischer was born Hermann Emil Louis Fischer. He adopted the name Emil Fischer for his scientific career and did not use his first given name.
When and in which location was Hermann Emil Louis Fischer born?
Answer: October 9, 1852, in Euskirchen, Prussia
Hermann Emil Louis Fischer was born on October 9, 1852, in Euskirchen, Prussia.
What was Emil Fischer's nationality?
Answer: German
Emil Fischer held German nationality.
Which university did Emil Fischer attend commencing in 1871?
Answer: University of Bonn
Emil Fischer commenced his university studies at the University of Bonn in 1871.
Who served as the supervisor for Emil Fischer's doctoral studies?
Answer: Adolf von Baeyer
Adolf von Baeyer served as the supervisor for Emil Fischer's doctoral studies.
What was the professional occupation of Emil Fischer's father, Laurenz Fischer?
Answer: Businessman
Emil Fischer's father, Laurenz Fischer, was engaged in business.
At which prestigious university did Emil Fischer succeed August Wilhelm von Hofmann as professor?
Answer: University of Berlin
Emil Fischer succeeded August Wilhelm von Hofmann as professor at the University of Berlin.
What academic field did Emil Fischer initially aspire to study prior to being directed into the family business?
Answer: Natural sciences
Emil Fischer initially aspired to study natural sciences before being directed into the family business.
Emil Fischer's doctoral dissertation, finalized in 1874, centered on the investigation of phthaleins.
Answer: True
Emil Fischer's doctoral dissertation, finalized in 1874, centered on the investigation of phthaleins.
In 1875, Fischer identified and characterized hydrazines, notably including the significant compound phenylhydrazine.
Answer: True
In 1875, Fischer identified and characterized hydrazines, notably including the significant compound phenylhydrazine.
Fischer devised a synthetic pathway for indole derivatives, compounds structurally linked to the well-known indigo dye.
Answer: True
Fischer devised a synthetic pathway for indole derivatives, compounds structurally linked to the well-known indigo dye.
Emil Fischer, in collaboration with his cousin Otto Fischer, elucidated the structural relationship between magenta dyes and triphenylmethane.
Answer: True
Emil Fischer, in collaboration with his cousin Otto Fischer, elucidated the structural relationship between magenta dyes and triphenylmethane.
The Fischer indole synthesis is a reaction employed for the production of indole derivatives, not purine derivatives.
Answer: False
The Fischer indole synthesis is a reaction employed for the production of indole derivatives, not purine derivatives.
What was the specific subject matter of Emil Fischer's doctoral thesis?
Answer: Phthaleins
The specific subject matter of Emil Fischer's doctoral thesis was the study of phthaleins.
In what year did Fischer discover and formally name the class of compounds known as hydrazines?
Answer: 1875
Fischer discovered and formally named the class of compounds known as hydrazines in 1875.
Fischer's synthesis of indole derivatives held significance due to indole being the foundational structure of which vital dye?
Answer: Indigo
Fischer's synthesis of indole derivatives was significant because indole is the foundational structure of the vital indigo dye.
The Fischer indole synthesis is a chemical reaction employed for the production of which class of organic compounds?
Answer: Indoles
The Fischer indole synthesis is a chemical reaction employed for the production of indoles.
The reaction of phenylhydrazine with carbohydrates yields crystalline derivatives, termed osazones, which proved instrumental in the identification and characterization of various sugars.
Answer: True
The reaction of phenylhydrazine with carbohydrates yields crystalline derivatives, termed osazones, which proved instrumental in the identification and characterization of various sugars.
Fischer achieved the first successful synthesis of caffeine, a notable compound belonging to the purine class.
Answer: True
Fischer achieved the first successful synthesis of caffeine, a notable compound belonging to the purine class.
Fischer's extensive investigations into sugars encompassed the determination of numerous stereoisomer structures and the validation of the Le Bel–Van 't Hoff rule.
Answer: True
Fischer's extensive investigations into sugars encompassed the determination of numerous stereoisomer structures and the validation of the Le Bel–Van 't Hoff rule.
Emil Fischer's research on purines was profoundly significant, elucidating the structures of critical biological molecules such as caffeine and theobromine.
Answer: True
Emil Fischer's research on purines was profoundly significant, elucidating the structures of critical biological molecules such as caffeine and theobromine.
What was a principal application of phenylhydrazine, as discovered by Fischer, within the field of carbohydrate chemistry?
Answer: It reacted with sugars to form crystalline derivatives called osazones for identification.
A principal application of phenylhydrazine in carbohydrate chemistry was its reaction with sugars to form crystalline osazones, which aided in their identification.
In addition to carbohydrates, what other major class of organic compounds was a focus of extensive research by Fischer?
Answer: Purines
Besides carbohydrates, purines were another major class of organic compounds extensively researched by Fischer.
What significant stimulant compound did Fischer achieve the first laboratory synthesis of?
Answer: Caffeine
Fischer achieved the first laboratory synthesis of caffeine, a significant stimulant compound.
Fischer's investigations into carbohydrate stereochemistry provided crucial confirmation for which established rule regarding asymmetric carbon atoms?
Answer: Le Bel–Van 't Hoff rule
Fischer's work on sugars helped confirm the Le Bel–Van 't Hoff rule concerning asymmetric carbon atoms.
What was the principal significance of the crystalline osazones formed from the reaction of sugars with phenylhydrazine?
Answer: They allowed for more definitive identification and characterization of different sugars.
The principal significance of the crystalline osazones was their utility in allowing for more definitive identification and characterization of different sugars.
The 'lock and key' model, proposed by Fischer, describes the mechanism of enzyme-substrate interaction, not protein folding.
Answer: False
The 'lock and key' model, proposed by Fischer, describes the mechanism of enzyme-substrate interaction, not protein folding.
Fischer's seminal research on proteins included their degradation into constituent amino acids and the subsequent synthesis of peptides.
Answer: True
Fischer's seminal research on proteins included their degradation into constituent amino acids and the subsequent synthesis of peptides.
What is the designation of the model Fischer proposed to describe enzyme action, which compares substrate binding to a specific physical mechanism?
Answer: "Lock and key" model
The model Fischer proposed to describe enzyme action, comparing substrate binding to a specific physical mechanism, is known as the 'lock and key' model.
Fischer's pioneering research on proteins involved their degradation into amino acids and subsequently performing what action?
Answer: Recombining them to create synthetic peptides
Fischer's pioneering research on proteins involved breaking them down into amino acids and then recombining them to create synthetic peptides.
By 1909, what was the length, in amino acids, of the longest synthetic peptide chain synthesized by Fischer's research group?
Answer: 18
By 1909, Fischer's group had synthesized a longest synthetic peptide chain comprising 18 amino acids.
Fischer's synthesis of peptides provided evidence that proteins are fundamentally composed of what structural units?
Answer: Chains of amino acids
Fischer's synthesis of peptides demonstrated that proteins are fundamentally composed of chains of amino acids.
Fischer's 'lock and key' model draws an analogy between enzyme-substrate interaction and what specific mechanism?
Answer: A specific key fitting into a specific lock
Fischer's 'lock and key' model compares enzyme-substrate interaction to a specific key fitting into a specific lock.
Emil Fischer collaborated with the physician Josef von Mering in the introduction of barbital, the inaugural barbiturate sedative.
Answer: True
Emil Fischer collaborated with the physician Josef von Mering in the introduction of barbital, the inaugural barbiturate sedative.
Fischer esterification is a principal method utilized for the synthesis of esters through the reaction of carboxylic acids with alcohols.
Answer: True
Fischer esterification is a principal method utilized for the synthesis of esters through the reaction of carboxylic acids with alcohols.
Josef von Mering, who collaborated with Fischer on barbital, was a renowned physician, not a chemist.
Answer: True
Josef von Mering, who collaborated with Fischer on barbital, was a renowned physician, not a chemist.
With which medical practitioner did Fischer collaborate to introduce the sedative barbital?
Answer: Josef von Mering
Fischer collaborated with the physician Josef von Mering to introduce the sedative barbital.
What is the designation for the acid-catalyzed reaction developed by Fischer for the synthesis of esters?
Answer: Fischer Esterification
The acid-catalyzed reaction developed by Fischer for the synthesis of esters is known as Fischer Esterification.
Launched in 1904 through Fischer's collaboration, barbital was primarily employed as what type of agent?
Answer: Sedative drug
Barbital, launched in 1904 with Fischer's collaboration, was primarily used as a sedative drug.
Emil Fischer received the Nobel Prize in Chemistry in 1902 in recognition of his foundational work on the synthesis of sugars and purines.
Answer: True
Emil Fischer received the Nobel Prize in Chemistry in 1902 in recognition of his foundational work on the synthesis of sugars and purines.
The Fischer projection is a method employed to represent the three-dimensional spatial arrangement of atoms around chiral centers, particularly in acyclic molecules.
Answer: False
The Fischer projection is a method employed to represent the three-dimensional spatial arrangement of atoms around chiral centers, particularly in acyclic molecules.
Otto Diels, a recipient of the Nobel Prize, was among Emil Fischer's distinguished doctoral students.
Answer: True
Otto Diels, a recipient of the Nobel Prize, was among Emil Fischer's distinguished doctoral students.
In 1897, Emil Fischer advocated for the establishment of an International Commission on Atomic Weights.
Answer: True
In 1897, Emil Fischer advocated for the establishment of an International Commission on Atomic Weights.
Emil Fischer was elected a Foreign Member of the Royal Society in 1899.
Answer: True
Emil Fischer was elected a Foreign Member of the Royal Society in 1899.
The Fischer-Tropsch process, utilized for hydrocarbon synthesis, is named after Franz Emil Fischer, not Hermann Emil Louis Fischer.
Answer: True
The Fischer-Tropsch process, utilized for hydrocarbon synthesis, is named after Franz Emil Fischer, not Hermann Emil Louis Fischer.
In which year was Emil Fischer honored with the Nobel Prize in Chemistry?
Answer: 1902
Emil Fischer was honored with the Nobel Prize in Chemistry in 1902.
For which principal domains of research was Emil Fischer awarded the Nobel Prize in Chemistry?
Answer: Sugars and purines
Emil Fischer was awarded the Nobel Prize in Chemistry for his foundational work on the synthesis of sugars and purines.
Identify a significant chemical concept or reaction bearing Emil Fischer's name from the options provided.
Answer: Fischer projection
The Fischer projection is a significant chemical concept named after Emil Fischer, used for representing stereochemistry.
For which specific scientific achievements was Emil Fischer awarded the Nobel Prize in Chemistry?
Answer: Work on sugars and purines
Emil Fischer was awarded the Nobel Prize in Chemistry for his work on sugars and purines.
What is the name of the two-dimensional representation developed by Fischer for depicting the stereochemistry of three-dimensional organic molecules?
Answer: Fischer Projection
The two-dimensional representation developed by Fischer for depicting stereochemistry in three-dimensional organic molecules is called the Fischer Projection.
Which of Emil Fischer's notable doctoral students subsequently achieved a Nobel Prize in Chemistry?
Answer: Otto Diels
Otto Diels, one of Emil Fischer's notable doctoral students, subsequently won a Nobel Prize in Chemistry.
In 1897, Emil Fischer proposed the establishment of which international scientific commission?
Answer: International Atomic Weights Commission
In 1897, Emil Fischer proposed the establishment of the International Atomic Weights Commission.
In which year was Emil Fischer elected as a Foreign Member of the Royal Society?
Answer: 1899
Emil Fischer was elected as a Foreign Member of the Royal Society in 1899.
The Fischer-Tropsch process is named after Franz Emil Fischer, who is distinct from Hermann Emil Louis Fischer primarily due to:
Answer: Franz Emil Fischer headed a different institute and worked on coal research.
Franz Emil Fischer, after whom the Fischer-Tropsch process is named, is distinct from Hermann Emil Louis Fischer primarily because Franz Emil Fischer headed a different institute and focused on coal research.
The Fischer projection is a method primarily utilized for visualizing the spatial arrangement of atoms around which specific molecular feature?
Answer: Asymmetric carbon centers
The Fischer projection is primarily useful for visualizing the spatial arrangement of atoms around asymmetric carbon centers.
Emil Fischer passed away in Berlin, Germany, at the age of 66.
Answer: True
Emil Fischer passed away in Berlin, Germany, at the age of 66.
Emil Fischer married Agnes Gerlach in 1888; however, she predeceased him, passing away in 1895.
Answer: False
Emil Fischer married Agnes Gerlach in 1888; however, she predeceased him, passing away in 1895.
Two of Emil Fischer's three sons tragically perished during their military service in the First World War.
Answer: True
Two of Emil Fischer's three sons tragically perished during their military service in the First World War.
In which city did Emil Fischer die on July 15, 1919?
Answer: Berlin
Emil Fischer died on July 15, 1919, in Berlin, Germany.
How many of Emil Fischer's sons succumbed during the First World War?
Answer: Two
Two of Emil Fischer's sons succumbed during the First World War.