Which of the following does not reduce Tollen's reagent?

Which of the following does not reduce Tollen's reagent?
  1. CH3CHO
  2. C6H5NHOH
  3. HCOOH
  4. C6H5NO2

Solution

Option A, B and C reduce Tollen's reagent.
A. CH 3 CHO+2 Ag ( NH 3 ) 2 + +3 OH CH 3 COO +2Ag+2 H 2 O+4 NH 3
B. C6H4NHOH+2[Ag(NH3)2]++2OH-C6H5NO+4NH3+2Ag+2H2O
C. HCOOH+2[Ag(NH3)2]++2OH-2Ag+4NH3+CO2+2H2O

Asked in: JEE-TOPICTESTS-CHEMISTRY

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