Question

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Answer 1

Explanation:

To Find -

• A, B, C & D

Solution:

Compoud A reacts with sodium to form compound B.

By the given molecular formula of compound A it's clear that Compound A is saturated.

Now, In mind there's two structure with molecular formula C₂H₆O i.e, Dimethyl ether and Ethanol.

Dimethyl ether doesn't reacts with sodium to produce Hydrogen gas.

So,

Now, It's cleared that Compound A is Ethanol.

Reaction:

CH₃CH₂OH + Na → CH₃CH₂O⁻Na⁺ + H₂↑

Now,

Ethanol is heated with conc. H₂SO₄ at 413K to form C with molecular formula C₄H₁₀O

Reaction:

CH₃CH₂OH + H₂SO₄ (conc.) → CH₃CH₂OCH₂CH₃

Now,

Diethyl ether on treatment with conc. HI at 373K forms D.

Reaction:

CH₃CH₂OCH₂CH₃ + HI (conc.) → CH₃CH₂OH + CH₃CH₂I

Now,

Diethyl ether is also obtained when Sodium ethoxide is treated with Iodoethane.

Reaction:

CH₃CH₂O⁻Na⁺ + CH₃CH₂I → CH₃CH₂OCH₂CH₃ + NaI

Therefore,

Compound A = Ethanol

Compound B = Sodium ethoxide

Compound C = Diethyl ether

Compound D = Iodoethane