1.

Arrange the following in order of property indicated for each set: (i) F2, CI2, Br2, I2, - increasing bond dissociation enthalpy. (ii) PH3, AsH3, BiH3, SbH3, NH3 - increasing base strength.

Answer»

(i) I2 < F2 < Br2 < Cl2

(ii) BiH3 <SbH3 < AsH3 < PH3 < NH3



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