Question

A compound, when boiled with aqueous $N{{a}_{2}}C{{O}_{3}},$ gives glycol. The compound is:

• A. ethylene
• B. ethylene oxide
• C. ethylene dibromide
• D. ethyl hydrogen sulphate

Answer 1

Answer: (C)

ethylene dibromide

Answer 2

Ethylene dibromide hydrolyse, when boiled with aqueous $N{{a}_{2}}C{{O}_{3}}$ solution. $\underset{C{{H}_{2}}Br}{\overset{C{{H}_{2}}Br}{\mathop{|}}}\,\xrightarrow[N{{a}_{2}}C{{O}_{3}}(a)\Delta ]{2H.\,OH}\underset{C{{H}_{2}}OH}{\overset{C{{H}_{2}}OH}{\mathop{|}}}\,$