A) \[NaN{{H}_{2}}\]
B) \[HCl\]
C) \[{{O}_{2}}\]
D) \[B{{r}_{2}}\]
Correct Answer: A
Solution :
\[NaN{{H}_{2}}\]is used to distinguish between 1-butyne and 2-butyne. \[C{{H}_{3}}C{{H}_{2}}C\equiv CH\xrightarrow{NaN{{H}_{2}}}C{{H}_{3}}C{{H}_{2}}C\equiv CNa+\frac{1}{2}{{H}_{2}}\uparrow \] \[C{{H}_{3}}-C\equiv C-C{{H}_{3}}\xrightarrow{NaN{{H}_{2}}}No\,reaction\]
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