Class XII

One of the following alcohols do not undergo oxidation reaction
  1. -------------------------------------------------------------------------------- Tertiary alcohol
  2. None of these
  3. Secondary alcohol
  4. Primary alcohol
Lucas reagent is
  1. dil. HCl and ZnCl2
  2. conc. HCl and ZnCl2
  3. dil.H2SO4 and ZnCl2
  4. conc.H2SO4 and ZnCl2
An organic compound X is oxidised by using acidified K2Cr2O7. The product obtained reacts with Phenyl hydrazine but does not answer silver mirror test. The possible structure of X is
  1. CH3CHO
  2. CH3CH2OH
  3. None
  4. (CH3)2CHOH
The starting material for picric acid is,
  1. phenol
  2. p – nitrophenol
  3. phenol – 2,4 – disulphonic acid
  4. o – nitrophenol
Alcohols are easily dehydrated in the following order
  1. -------------------------------------------------------------------------------- None of these
  2. Primary> Secondary >Tertiary
  3. Secondary > Primary>Tertiary
  4. Tertiary > Secondary > Primary
Time Elapsed

HR : MIN : SEC
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