Q. Determine the number of species having only two types of bond length. $PCl_{5},PCl_{2}F_{3},H_{2}O,CHCl_{3},O_{3},NO_{3}^{-},NH_{4}^{+},H_{2}O_{2},SF_{6},H_{2}SO_{4},B_{2}H_{6}$
NTA AbhyasNTA Abhyas 2022
Solution: