The shape of the $BF_3$ molecule is:

Which of the following molecules is non-linear?

Which set of the following molecules has only one lone pair of electrons on their respective central atoms?
$(i)$ $SO_2$
$(ii)$ $XeF_4$
$(iii)$ $PbCl_2$
$(iv)$ $SF_4$
$(v)$ $ClF_3$

What is the correct order of bond angles in the given molecules?

Which of the following sequences represents the correct increasing order of bond angles in the given molecules?

Which of the following has the smallest bond angle?