MCQ
Solid $NaCl$ is a bad conductor of electricity because
- Ain solid $NaCl$ there are no ions
- Bsolid $NaCl$ is covalent
- ✓in solid $NaCl$ there is no mobility of ions
- Din solid $NaCl$ there are no electrons
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column $-I$ | Column $-II$ |
| (Atomic number) | (Position of element in Periodic table) |
| $(A)$ $Z = 37$ | $(P)$ $p-$ block |
| $(B)$ $Z = 42$ | $(Q)$ $f-$ block |
| $(C)$ $Z = 34$ | $(R)$ $d-$ block |
| $(D)$ $Z = 92$ | $(S)$ $s-$ block |