MCQ
The stability of ionic crystal principally depends on
- Ahigh electron affinity of anion forming species
- ✓the lattice energy of crystal
- Clow $I.E.$ of cation forming species
- Dlow heat of sublimation of cation forming solid
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$(A)$ $Rb$ and $Cs$
$(B)$ $Na$ and $K$
$(C)$ $Ar$ and $Kr$
$(D)$ $I$ and $At$
Choose the correct answer from the options given below.
$CH_3CH=CHCH_2CH(Br)CH_3$
Product $X$ is