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Chemistry Question on Alcohols, Phenols and Ethers

In the reaction sequence: CaC2−>[H2O]A {CaC2 ->[H_2O] A} −>[dilHgSO4][HgSO4] { ->[{\text{dil}} HgSO_4][HgSO_4] } B−>[H2/Ni]C {B ->[H_2/Ni] C}, the term ????is

A

CH3CHOCH _{3} CHO

B

HCHOHCHO

C

C2H5OHC _{2} H _{5} OH

D

CH3OHCH _{3} OH

Answer

C2H5OHC _{2} H _{5} OH

Explanation

Solution

Reaction sequence is; CaC2−>[H2O][2CaO](A)AcetyleneC2H2−>[dil.H2SO4][HgSO4]CH3−CHO(B)Acetaldehyde−>[H/Ni]CH3CH2OHEthanol (C)CaC_2 \underset{\underset{\text{Acetylene}}{(A)}}{ {->[{H_2O}][{2 CaO}]}} C_2H_2 {->[{dil.H_2SO_4}][{HgSO_4}]}\underset{\underset{\text{Acetaldehyde}}{(B)}}{CH_3-CHO} {->[{H/Ni}]} \underset{\text{Ethanol (C)}}{CH_3CH_2OH}