A) structural isomers
B) anomers
C) diastereomers
D) entirely different compounds
Correct Answer: D
Solution :
Schiffs reagent and Schiffs bases are entirely different compounds. Schiffs reagent is magenta solution (Rosaniline dye) decolourised by sulphurous acid\[({{H}_{2}}S{{O}_{3}})\]. Schiff base is obtained by condensation of aldehydes/ketones with amines, \[RCH=O+{{H}_{2}}N\,R\xrightarrow[-{{H}_{2}}O]{{}}\underset{Schiffs\,\,base}{\mathop{RCH=NR}}\,\]
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