Alcohols and Ethers - Result Question 57
62. State the conditions under which the following preparations are carried out. Give necessary equations which need not be balanced.
(i) Ethanol from acetylene
(ii) Lead tetraethyl from sodium-lead alloy
(iii) Methyl chloride from aluminium carbide
(1983, 3M)
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Solution:
(i) $H-C \equiv C-H \xrightarrow[H _2 SO _4]{HgSO _4} CH _3-CHO \xrightarrow[H _2]{\text { Catalyst }}$
$$CH _3 CH _2 OH$$
(iii) $Al _4 C _3 \xrightarrow{H _2 O} Al(OH) _3+CH _4$
$CH _4+Cl _2 \xrightarrow{h \nu} CH _3 Cl+HCl$
BETA
