MCQ
The $p - p$ orbital overlapping is present in the following molecule
- AHydrogen
- BHydrogen bromide
- CHydrogen chloride
- DChlorine
In the case of chlorine molecule, it is produced by the overlapping of the $3 p _z$ orbitals of two chlorine atoms.
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Statement $I$ : Gallium is used in the manufacturing of thermometers.
Statement $II$ : A thermometer containing gallium is useful for measuring the freezing point ( $256 \mathrm{~K}$ ) of brine solution.
In the light of the above statement, choose the correct answer from the options given below :