MCQ
Which of the following compounds has the highest boiling point
- A$HCl$
- B$HBr$
- ✓${H_2}S{O_4}$
- D$HN{O_3}$
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[Assume : No cyano complex is formed; $K _{ sp }( AgCN )$ $=2.2 \times 10^{-16}$ and $\left. K _{ a }( HCN )=6.2 \times 10^{-10}\right]$
$(A)\, n=4,l=1$ $(B)\, n=4,l=0$
$(C) \,n=3,l=2$ $(D)\, n=3,l=1$
can be placed in order of increasing energy as :
| Column $-I$ | Column $-II$ |
| $(A)$ Ionisation potential | $(P)$ $O < F < N$ |
| $(B)$ Electronegativity | $(Q)$ $N < O < F$ |
| $(C)$ $Z_{eff}$ | $(R)$ $O < N < F$ |
| $(D)$ Electron affinity | $(S)$ $N < C< O$ |
