Question

Which of the following compounds contain(s) no covalent bond(s)?
$KCl,PH_{3},O_{2},B_{2}H_{6},H_{2}SO_{4}$

• A. $KCl,B_{2}H_{6}$
• B. $KCl,B_{2}H_{6},PH_{3}$
• C. $KCl,H_{2}SO_{4}$
• D. KCl

Answer 1

Answer: (D)

KCl contains only ionic bond between $K^{+}$ and $Cl^{-}$ ions $\left(\right.K^{+}Cl^{-}\left.\right)$ while other structures have covalent bonds as follows