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TS EAMCET · Chemistry · Aldehydes and Ketones

Ethane can be obtained from ethanal in one step by

  1. A Na-Hg+ water
  2. B Zn-Hg+ conc. HCl
  3. C Aluminium isopropoxide and isopropyl alcohol
  4. D LiAlH4+ ether
Verified Solution

Answer & Solution

Correct Answer

(B) Zn-Hg+ conc. HCl

Step-by-step Solution

Detailed explanation

Ethanal can be reduced to ethane or ethanol easily by one step. Using clemmensen reagent, Zn-Hg and concentrated HCl ethanal can be reduced to ethane. Ethane is a hydrocarbon compound (alkane). Oxidation number is changed from +1 to -1. The reaction can be described as:…