$AlCl_3$,in reactions,acts as

Which one of the following bonds has the highest bond energy?

Multiple covalent bonds exist in a molecule of

Which of the following statements is incorrect regarding the $B-F$ bond in $BF_{3}$?

The electronic configuration of three elements $A$,$B$,and $C$ are given below. The bond between $B$ and $C$ will be:
$A: 1s^2, 2s^2, 2p^6$
$B: 1s^2, 2s^2, 2p^6, 3s^2, 3p^3$
$C: 1s^2, 2s^2, 2p^6, 3s^2, 3p^5$

In which of the following compounds $B-F$ bond length is shortest?