1.

Based on the compounds of group 15 elements, the correct statement (s) is (are)A. `Bi_(2)O_(5)` is more basic than `N_(2)O_(5)`B. `NF_(3)` is more covalent than `BiF_(3)`C. `PH_(3)` boils at a lower temperture than `NH_(3)`D. The N - N single bond is stronger than P - P single bond.

Answer» Correct Answer - A::B::C
All these statements are correct. The ` overset(* *)N-N` bond angle is weaker due to greater repulsive interactions in the non-bonded or lone pairs of electrons on the two N atoms.


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