1.

Based on the compounds of group 15 elements, the correct statement(s) is (are)

Answer»

`Bi_(2)O_(5)` is more basic than `N_(2)O_(5)`
`NF_(3)` is more covalent than `BiF_(3)`
`PH_(3)` boils at lower temperature then `NH_(3)`
the N-N single bond is STRONGER than the P-P single bond

Solution :Due to small size, lone PAIRS on N ATOMS repel the bond PAIR between two N-atoms, and hence N-N single bond is weaker than P-P single bond. All other statements are correct.


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