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Q.

\large I)\,\,\,{H_2}{O_{(\l )}}\, \rightleftharpoons \,{H_2}{O_{(g)}}

\    

\large II)\,\,{I_{2(s)}}\, \rightleftharpoons {I_2}(vap)
\large III)\,\,{H_2}{O_{(\l )}}\, \rightleftharpoons {H_2}{O_{(s)}}

    

\large IV)\,\,C{O_{2(g)}}\, \rightleftharpoons C{O_{2(aq)}}

 

 

 

 

Rise of temperature shifts equilibrium towards right in the case of

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a

I & IV

b

II, III & IV

c

I & II

d

I, II & III

answer is C.

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Detailed Solution

I)\,\,\,{H_2}{O_{(l)}}\, \rightleftharpoons \,{H_2}{O_{(g)}}

,      ΔH = +Q, Endothermic - favoured at high T

\large II)\,\,{I_{2(s)}}\, \rightleftharpoons {I_2}(vap)

,      ΔH = +Q, Endothermic - favoured at high T

\large III)\,\,{H_2}{O_{(l)}}\, \rightleftharpoons {H_2}{O_{(s)}}

,      ΔH = -Q, Exothermic - favoured at low T    

\large IV)\,\,C{O_{2(g)}}\, \rightleftharpoons C{O_{2(aq)}}

,      ΔH = -Q, Exothermic - favoured at low T

 

Thus forward reaction is favoured at high temperature only in I & II

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