MCQ
Total no. of vacant orbitals in valence shell of sulphur when it undergoes formation of $SF_4$
- A$5$
- ✓$4$
- C$3$
- D$2$
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$CH \equiv CH\xrightarrow[{{\text{(2) CO , HCl , AlC}}{{\text{l}}_3}}]{{{\text{(1) Red hot Fe tube, 873 K}}}}$ Product The number of $sp ^{2}$ hybridized carbon atom(s) present in the product is ..........