A) Na
B) ammoniacal \[AgN{{O}_{3}}\]
C) \[HCl\]
D) \[NaOH\]
Correct Answer: D
Solution :
\[CH\equiv CH+Na\xrightarrow{{}}CH\equiv {{C}^{-}}N{{a}^{+}}+\frac{1}{2}{{H}_{2}}\] \[CH\equiv CH+\] ammoniacal \[AgN{{O}_{3}}\xrightarrow{{}}\] \[CH\equiv {{C}^{-}}A{{g}^{+}}+\underset{\text{White ppt}}{\mathop{HN{{O}_{3}}}}\,\] \[CH\equiv CH+HCl\xrightarrow{{}}C{{H}_{2}}=CH-Cl\] usually occurs in the presence of \[H{{g}^{2+}}\]. \[CH\equiv CH+NaOH\xrightarrow{{}}\] no reaction Because of hard acid hard base soft acid soft base (HASB) theory \[CH\equiv CH+NaN{{H}_{2}}\xrightarrow{{}}CH\equiv {{C}^{-}}N{{a}^{+}}\]feasible.
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