MCQ
Choose the false statement from following,
  • A
    Tertiary alcohols readily react with conc. $HCl$ in absence of zinc chloride.
  • The order of reactivity of alcohols with a given halo acid $1^{\circ}>2^{\circ}>3^{\circ}$.
  • C
    Good yield of alkyl halide may be obtained by heating alcohols with $Nal$ in $95 \% H _3 PO _4$.
  • D
    Constant boiling $HBr (48 \%)$ is used for the preparation of alkyl bromides from alcohols.

Answer

Correct option: B.
The order of reactivity of alcohols with a given halo acid $1^{\circ}>2^{\circ}>3^{\circ}$.
(b) : The order of reactivity of alcohols with a given halo acid is $3^{\circ}>2^{\circ}>1^{\circ}$.

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