MCQ
Length of the hydrogen bond range from $1.75 \mathring{\text{A}}$ to $ .........$
- ✓$2.5\mathring{\text{A}}$
- B$2.75\mathring{\text{A}}$
- C$2.6\mathring{\text{A}}$
- D$3.2\mathring{\text{A}}$
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| 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 | $(S)\; N < C< O$ |