A) 2-butene
B) 1-butyne
C) iso-butane
D) iso-butylene
Correct Answer: C
Solution :
Unsaturated compounds like alkenes, alkynes show addition reaction with chlorine while saturated compounds like alkane (iso-butane) give substitution reaction on chlorination. \[C{{H}_{3}}-\underset{iso-bu\tan e}{\mathop{\underset{\begin{smallmatrix} | \\ C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,}}\,C{{H}_{3}}\xrightarrow[light]{C{{l}_{2}}}C{{H}_{3}}-\underset{\begin{smallmatrix} | \\ C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}Cl\] \[+C{{H}_{3}}-\underset{\begin{smallmatrix} | \\ C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix} Cl \\ | \end{smallmatrix}}{\mathop{C}}}\,-C{{H}_{3}}\]
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