MCQ
If the valency shell electronic structure for an element is $n{s^2}n{p^5}$, this element will belong to the group of
- AAlkali metals
- BInert metals
- CNoble gases
- ✓Halogens
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$STATEMENT-2:$ No process is possible in which the sole result is the absorption of heat from a reservoir and its complete conversion into work.
$H_2C = C = CH - CH = O$
$sp^3$ - $sp^2$ - $sp$