List of top Chemistry Questions on Bond Parameters asked in KCET

Bond angle in $PH^+_4$ is more than that of $PH_3$. This is because

Which of the following orders are correct against the property given? I) dipole moment : $NF_3 > NH_3 >BF_3$ II) Covalent bond length : $C - O > N - O > O - H$ III) Bond order : $C_2 > B_2 > He_2$

The calculated bond order of superoxide ion $(O_2^- )$ is