The products of the following reactions is(are):
$C_{2} H_{5} B r + 2 N a + C H_{3} B r d r y e i t h e r - ----- \to$ ?

ethane

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propane

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butane

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ethane, propane and butane

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Solution

The correct option is D ethane, propane and butane
These following reactions are called wurtz reaction. Here there products i.e. ethane, propane (cross product) and butane are formed.
$C_{2} H_{5} B r + 2 N a + {C H}_{3} B r d r y ⟶ e t h e r {C H}_{3} - {C H}_{3} + {C H}_{3} {C H}_{2} {C H}_{3} + {C H}_{3} {C H}_{2} {C H}_{2} {C H}_{3}$
ethane propane butane
${2 C H}_{3} B r N a / d r y ⟶ e t h e r {C H}_{3} - {C H}_{3}$
$2 C_{2} H_{5} B r N a / d r y ⟶ e t h e r C_{2} H_{5} - C_{2} H_{5}$
${C H}_{3} B r + C_{2} H_{5} B r N a / d r y e t h e r ⟶ {C H}_{3} {C H}_{2} {C H}_{3}$

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List -I (Products)	List -II (Reactants-Reaction)
A) Methane	(1) Sabatier - Senderens reaction of propylene
B) Ethane	(2) Wurtz reaction of methyl iodide
C) Propane	(3) Decarboxylation of sodium acetate
D) Butane	(4) Sodium butanoate by Kolbes electrolysis

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