A) 2, 3-Dimethylbutane
B) n-Heptane
C) n-Butane
D) n-Hexane
Correct Answer: B
Solution :
| [b] Wurtz reaction is used to prepare symmetrical alkanes like \[{{R}_{1}}{{R}_{1}}\], as |
| \[{{R}_{1}}X+2Na+X-{{R}_{1}}\xrightarrow{Dry\,\,ether}{{R}_{1}}-{{R}_{1}}+2NaX\]If \[{{R}_{1}}\] and \[{{R}_{2}}\] are different, then mixture of alkanes may be obtained as |
| \[{{R}_{1}}-X+2Na+{{R}_{2}}-X\xrightarrow{Dry\,ether}\] |
| \[{{R}_{1}}-{{R}_{1}}+{{R}_{1}}-{{R}_{2}}+{{R}_{2}}-{{R}_{2}}+2NaX\] |
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