MCQ
$IUPAC$ name of the below is :


- ABut$-2-$ene$-2,3-$diol
- ✓Pent$-2-$ene$-2,3-$diol
- C$2-$methylbut $-2-$ ene $-2,3-$diol
- DPent$-3-$ene$-3,4-$diol

The number will start from the lower-$OH$ group as shown in the structure.
The name is Pent-$2$-ene-$2,3$-diol.
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$H _2 O ( g ) \rightarrow H _2( g )+\frac{1}{2} O _2( g )$
The percent of water decomposing at $2300\,K$ and $1\,bar$ is $...........$ (Nearest integer).
Equilibrium constant for the reaction is $2 \times 10^{-3}$ at $2300\,K$
