MCQ
Negative $ER$ indicates that redox couple is:
- AWeaker reducing agent than $H^+/ H$, couple.
- ✓Stronger reducing agent than $H^+/ H,$ couple.
- CStronger oxidising agent than $H^+/ H,$ couple.
- DNone of the above.
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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 ..........