Home › CBSE Class 12 (Science) › Chemistry › Amines › Which reducing agent did Nikolay Zinin use in 18…
Which reducing agent did Nikolay Zinin use in 1842 to convert nitrobenzene to aniline?
AHydrogen over nickel
BAlkali sulfide salts
CLithium hydride gas
DSodium metal chips
Answer & Solution
Correct answer: B. Alkali sulfide salts
Zinin first reduced nitrobenzene with sulfide salts, a method now called the Zinin reaction.
Related questions
Benzenediazonium chloride couples with phenol in mild alkali to give which coloured dye?Azo coupling usually occurs at which position relative to the activating group?Azo coupling is an example of which type of reaction?Coupling of diazonium salts with phenols or aromatic amines gives what?Primary aromatic amines react with HNO2 at 273 to 278 K to form what?Ethanamine reacts with ethanoyl chloride in pyridine to give what type of product?Aniline, when heated with chloroform and alcoholic KOH, gives a product with what propertyThe carbylamine reaction of RNH2 with CHCl3 and KOH gives which product?