MCQ
Ionization potential is lowest for
- AHalogens
- BInert gases
- CAlkaline earth metals
- ✓Alkali metals
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$(A)$ $CO _2, C _2 H _4, NO$ and $HCl$
$(B)$ $NO _2, O _3, HCl$ and $H _2 SO _4$
$(C)$ $BCl _3, NO , NO _2$ and $H _2 SO _4$
$(D)$ $CO _2, BCl _3, O _3$ and $C _2 H _4$
$\xrightarrow[\Delta ]{{{H^ \oplus }}}\,B$
The product $"B"$ is