MCQ
$N{a^ + }$ion is isoelectronic with
- A$L{i^ + }$
- ✓$M{g^{ + 2}}$
- C$C{a^{ + 2}}$
- D$B{a^{ + 2}}$
Electrons in $M{g^{2 + }} = 12 - 2 = 10$
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$(i)\,\, C_6H_5COCl$
The correct decreasing order of their reactivity towards hydrolysis is
$HCl_{ ( g )}$ are $-105,-242,-394$ and $-92\,kJ\,mol ^{-1}$
respectively. The magnitude of enthalpy of the reaction given below is $......kJ\,mol ^{-1}$
(nearest integer) $CCl _{4( g )}+2 H _2 O_{( g )} \rightarrow CO _{2( g )}+4 HCl_{( g )}$