MCQ
In a double bond connecting two atoms, there is a sharing of
- A$2$ electrons
- B$1$ electron
- ✓$4$ electrons
- DAll electrons
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$A\xrightarrow{NaN{{O}_{2}}/HCl}B\xrightarrow{KCN}C\xrightarrow{{{H}_{3}}{{O}^{+}}}$ benzoic acid
The compound $ A$ is