Match List-I with List-II:
| List - I Molecule |
List - II Bond enthalpy (kJ mol$$^{-1}$$) |
||
|---|---|---|---|
| (A) | HCl | (I) | 435.8 |
| (B) | N$$_2$$ | (II) | 498 |
| (C) | H$$_2$$ | (III) | 946.0 |
| (D) | O$$_2$$ | (IV) | 431.0 |
Choose the correct answer from the options given below:
The standard cell potential of the following cell $$\mathrm{Zn}\left|\mathrm{Zn}^{2+}(\mathrm{aq})\right| \mathrm{Fe}^{2+}(\mathrm{aq}) \mid \mathrm{Fe}$$ is $$0.32 \mathrm{~V}$$. Calculate the standard Gibbs energy change for the reaction:
$$\mathrm{Zn}(\mathrm{s})+\mathrm{Fe}^{2+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{Fe}(\mathrm{s})$$
(Given : $$1 \mathrm{~F}=96487 \mathrm{C}$$)
Match List I with List II:
| List - I Solid salt treated with dil. H$$_2$$SO$$_4$$ |
List - II Anion detected |
||
|---|---|---|---|
| (A) | effervescence of colourless gas | (I) | NO$$_2^-$$ |
| (B) | gas with smell of rotten egg | (II) | CO$$_3^{2-}$$ |
| (C) | gas with pungent smell | (III) | S$$^{2-}$$ |
| (D) | brown fumes | (IV) | SO$$_3^{2-}$$ |
Choose the correct answer from the options given below:
The ratio of solubility of AgCl in 0.1 M KCl solution to the solubility of AgCl in water is:
(Given : Solubility product of AgCl = 10$$^{–10}$$)
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