MCQ
Which of the following is not chiral?
- A${2-}$ Hydroxypropanoic acid
- B${2-}$ Butanol
- C$2,{3-}$Dibromopentane
- ✓${3-}$Bromopentane

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The equilibrium constant of the reaction $2N{H_3} + \frac{5}{2}{O_2} \rightleftharpoons 2NO + 3{H_2}O$ in terms of $K_1, K_2$ and $K_3$ is
$1\,\,\,$-$\,\,\,2\,\,\,$-$\,\,\,3\,\,\,$-$\,\,\,4$
(Where. $P =$ polar, $NP =$ non-polar)