MCQ
The defination of $pH$ is
- ✓$pH = \log \frac{1}{{[{H^ + }]}}$
- B$pH = \log \,[{H^ + }]$
- C$pH = - \log \frac{1}{{[{H^ + }]}}$
- D$pH = - {\log ^{[{H^ + }]}}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| $List-I$ | $List-II$ |
| ($P$) $XeF _2$ | ($1$) Trigonal bipyramidal and two lone pair of electrons |
| ($Q$) $XeF _4$ | ($2$) Tetrahedral and one lone pair of electrons |
| ($R$) $XeO _3$ | ($3$) Octahedral and two lone pair of electrons |
| ($S$) $XeO _3 F _2$ | ($4$) Trigonal bipyramidal and no lone pair of electrons |
| ($5$) Trigonal bipyramidal and three lone pair of electrons |
$n-$propyl bromide $\xrightarrow{{Na}}(A)\xrightarrow[{A{l_2}{O_3}/773\,K}]{{Cr{O_3}}}(B)\xrightarrow[{500\,K}]{{C{l_2}/UV}}(C)$
$n-$propyl bromide $\xrightarrow{{Na}}(A)\xrightarrow[{A{l_2}{O_3}/773\,K}]{{Cr{O_3}}}(B)$ $\xrightarrow[{}]{{C{H_3} - Cl/AlC{L_3}}}(D)\xrightarrow{{C{l_2}/hv}}(E)$
(Atomic no. : $B = 5,S = 16,Ni = 28,Xe = 54$)