MCQ
Oxidation state of $Fe$ in ${K_3}[Fe{(CN)_6}]$
- A$2$
- ✓$3$
- C$0$
- DNone of these
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| Element | Electronegative value |
| $W$ | $2.7$ |
| $X$ | $2.1$ |
| $Y$ | $0.8$ |
| $Z$ | $3.4$ |
The incorrect statement regarding given information is
$C (diamond) + O_2 \rightarrow CO_2(g)\ ;\Delta H =\ -97.6\ kcal$
$C (graphite) + O_2 \rightarrow CO_2(g)\ ;\Delta H =\ -94.3\ kcal$
The heat change for the conversion of $1\ g$ of $C (diamond) \rightarrow C (graphite)$ is

(Round off to the Nearest Integer).
[Neglect volume change on adding $HA$. Assume degree of dissociation $<< 1]$