MCQ
Which solution has the highest $pH $ value
- ✓$1\,M\,KOH$
- B$1\,M\,{H_2}S{O_4}$
- CChlorine water
- DWater containing carbon dioxide
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$2P(s) + 3C{l_2}(g)\,\, \to \,\,2PC{l_3}(l);\,\Delta H = - 151.8\,kcal$
$PC{l_3}(l) + C{l_2}(g)\,\, \to \,\,PC{l_5}(s);\,\,\Delta H = - 32.8\,kcal$
......$kcal$