What is used to represent the $C=C$ bond in a ball and stick model?

$A$ covalent bond is likely to be formed between two elements which

According to the given figure,which of the following statements is incorrect?

Which of the following is the type of bonding in an $HCl$ molecule?

The bond dissociation energy of $B-F$ in $BF_3$ is $646 \ kJ \ mol^{-1}$ whereas that of $C-F$ in $CF_4$ is $515 \ kJ \ mol^{-1}.$ The correct reason for higher $B-F$ bond dissociation energy as compared to that of $C-F$ is

The bonds between $P$ atoms and $Cl$ atoms in $PCl_5$ are likely to be