Q 2611780629.     (a) Complete the following chemical equations:
(i) `NaOH(aq) + Cl_2(g) ->`
(Hot and conc.)
(ii) `XeF_6(s) + H_2O(l)->`

(b) How would you account for the following?
(i) The value of electron gain enthalpy with negative sign for sulphur is higher than that for oxygen.
(ii) `NF_3` is an exothermic compound but NCl3 is endothermic compound.
(iii) `ClF_3` molecule has a T-shaped structure and not a trigonal planar one.


CBSE-12th 2010

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