MCQ
Cyclopentene on treatment with alkaline $KMn{O_4}$ gives
- ACyclopentanol
- Btrans $1, 2-$cyclopentanediol
- ✓cis $1, 2-$cyclopentanediol
- D$1 : 1$ mixture of cis and trans $1, 2-$cyclopentanediol

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$F{e_2}{O_3}\left( s \right) + 3CO\left( g \right) \rightleftharpoons 2Fe\left( l \right) + 3C{O_2}\left( g \right)$
Using the Le Chatelier 's principle, predict which one of the following will not disturb the equilibrium ?
$(A)$ $C _6 H _5 OH$ and $C _6 H _5 COOH$
$(B)$ $C _6 H _5 COOH$ and $C _6 H _5 CH _2 OH$
$(C)$ $C _6 H _5 CH _2 OH$ and $C _6 H _5 OH$
$(D)$ $C _6 H _5 CH _2 OH$ and $C _6 H _5 CH _2 COOH$
$CH_3CH_2-C \equiv CH+ HCl \rightarrow B \xrightarrow{{HI}} C$