During water-gas shift reaction
carbon monoxide is oxidized to carbon dioxide.
carbon is oxidized to carbon monoxide.
carbon dioxide is reduced to carbon monoxide.
water is evaporated in presence of catalyst.
The correct order of atomic radii in group $13$ elements is
Alumina is
$2 {X}+\mathrm{B}_2 \mathrm{H}_6 \rightarrow\left\lfloor\mathrm{BH}_2(\mathbf{X})_2\right\rfloor^{+}\left\lfloor\mathrm{BH}_4\right]^{-}$ the amine(s) ${X}$ is$(are)$
$(A)$ $\mathrm{NH}_3$ $(B)$ $\mathrm{CH}_3 \mathrm{NH}_2$ $(C)$ $\left(\mathrm{CH}_3\right)_2 \mathrm{NH}$ $(D)$ $\left(\mathrm{CH}_3\right)_3 \mathrm{~N}$
Is boric acid a protic acid ? Explain.
Which of the following is an electron deficient molecule?