MCQ
Highest melting point would be of
- A$He$
- ✓$CsCl$
- C$N{H_3}$
- D$CHC{l_3}$
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$\text { A } \quad\quad\quad\quad\quad \text { B } \quad\quad\quad\text { C } \quad\quad\quad\quad\text { D }$
$1 \times 10^{-4} \quad 2 \times 10^{-4} \quad 0.1 \times 10^{-4} \quad 0.2 \times 10^{-4}$
(Where $E$ is the electromotive force)
Which of the above half cells would be preferred to be used as reference electrode?

| Column $-I$ | Column $-II$ |
| $(a) \,Xe{F_6}$ | $(i)$ Distorted Octahedral |
| $(b)\, XeO_3$ | $(ii)$ Square planar |
| $(c)\, XeOF_4$ | $(iii)$ pyramidal |
| $(d)\, XeF_4$ | $(iv)$ Square pyramidal |
$Ag_2CO_{3(s)} \rightleftharpoons 2Ag^+_{(aq)} + CO^{2-}_{3(s)}$
in water at $25\, ^o C$ is $(R = 8.314\, J\, K^{-1}\,mol^{-1})$