A mixture of ethyl iodide and n-propyl iodide is treated with sodium metal in presence of ethoxyethane. The hydrocarbon which is not formed is

Question

A mixture of ethyl iodide and n-propyl iodide is treated with sodium metal in presence of ethoxyethane. The hydrocarbon which is not formed is (A) butane (B) propane (C) pentane (D) hexane

Tardigrade Admin · Accepted Answer

Here butane, pentane and hexane are formed but not propane.

2 C H_{3} C H_{2} I + 2 N a ⟶ (C_{2} H_{5})_{2} O C H_{3} C H_{2} C H_{2} C H_{3} + 2 N a I

2 C H_{3} C H_{2} C H_{2} I + 2 N a ⟶ (C_{2} H_{5})_{2} O C H_{3} C H_{2} C H_{2} C H_{2} C H_{2} C H_{3} + 2 N a I

C H_{3} C H_{2} I + 2 N a + I C H_{2} C H_{2} C H_{3} \to C H_{3} C H_{2} C H_{2} C H_{2} C H_{3} + 2 N a I

Q. A mixture of ethyl iodide and n-propyl iodide is treated with sodium metal in presence of ethoxyethane. The hydrocarbon which is not formed is

butane

propane

pentane

hexane

Here butane, pentane and hexane are formed but not propane. 2CH3​CH2​I+2Na⟶(C2​H5​)2​O​CH3​CH2​CH2​CH3​+2NaI 2CH3​CH2​CH2​I+2Na⟶(C2​H5​)2​O​CH3​CH2​CH2​CH2​CH2​CH3​+2NaI CH3​CH2​I+2Na+ICH2​CH2​CH3​→CH3​CH2​CH2​CH2​CH3​+2NaI