MCQ
In $B_2H_6$
- Athere is direct boron-boron bond
- Bthe $B—H$ bonds are ionic
- Cit is isostructural to $C_2H_6$
- ✓boron atoms are linked through hydrogen bridges

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$i\,\, HCO_3$ $ii. \,H_3O^+$
$iii.\, HSO_4^-$ $iv.\, HSO_3F$
Which one of the following is the correct sequence of their acid strength?

(Nearest integer)
(Use : $\Delta_{\mathrm{c}} \mathrm{H}($ glucose $)=-2700\, \mathrm{~kJ}\, \mathrm{~mol}^{-1}$ )
Assertion $A:$ In equation $\Delta_r G =- nFE _{\text {cell }}$ value of $\Delta_r G$ depends on $n$.
Reasons $R$ : $E_{\text {cell }}$ is an intensive property and $\Delta_{ r } G$ is an extensive property.
In the light of the above statements, choose the correct answer from the options given below
