MCQ
Acetylene molecules contain
- A$5\sigma $ bond
- B$4\sigma $ bond and $1\pi $ bond
- ✓$3\sigma $ and $2\pi $
- D3$\sigma $ and $3\pi $
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Number of moles of $NaOH $ used in above Hoffmann bromamide reaction is


$C{H_3} - C \equiv C - H\xrightarrow{{NaN{H_2}}}\xrightarrow{{C{H_3} - I}}(A)\xrightarrow{{Li/liq\,N{H_2}}}(B)$
$C{H_3} - C \equiv C - H\xrightarrow{{NaN{H_2}}}\xrightarrow{{C{H_3} - I}}(A)\xrightarrow[{Pd.CaC{O_3}}]{{{H_2}}}(C)$