1.

Ionisation enthalpy of group 15 elements I. decreases down the group due to gradual increase in atomic size. II. Is higher than that of group 14 elements in the corresponding periods. III. The order of successive ionisation enthalpies is triangle_(i)H_(1)lttriangle_(i)H_(2)lttriangle_(i)H_(3) Which of the above statements is/are ture?

Answer»

I and II
II and III
I and III
I, II and III

Solution :N//A


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