A) Na
B) \[HCl\]
C) ammoniacal \[AgN{{O}_{3}}\]
D) \[NaOH\]
Correct Answer: D
Solution :
[a] \[CH\equiv CH+Na\xrightarrow[{}]{{}}CH\equiv {{C}^{-}}N{{a}^{+}}\frac{1}{2}{{H}_{2}}\] [b] \[CH\equiv CH+ammoniacal\text{ }AgN{{O}_{3}}\xrightarrow[{}]{{}}\] \[CH\equiv {{C}^{-}}A{{g}^{+}}\] white ppt [c] \[CH\equiv CH+HCl\xrightarrow[{}]{{}}C{{H}_{2}}=CH-Cl\] (usually occurs in the presence of\[H{{g}^{2+}}\]) [d] \[CH\equiv CH+NaOH\xrightarrow[{}]{{}}\]no reaction (because of hard and soft acid and base (HSAB) theory).
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