MCQ
In a given shell, the order of screening effect is
- ✓$s > p > d > f$
- B$f > d > p > s$
- C$p < d < s < f$
- D$d > f < s > p$
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$Pt ( s )\left| H _{2}( g )\right| H ^{+}( aq ) \| Ag ^{+}( aq ) \mid Ag ( s )$
$E _{\text {Cell }}^{0}=+0.5332 V$.
The value of $\Delta_{ f } G ^{0}$ is $kJ \,mol ^{-1} \cdot$ (in nearest integer)
${C_({graphite)}} + {O_2} \to C{O_2};\,\Delta H = - 393.4\,kJ/mole$
${C_({graphite})} \to {C_{{\rm({diamond})}}};\,\Delta H = $

$2A(g) \rightleftharpoons B(g)$ is