Question

Which of the following compounds contain(s) no covalent bond(s)?
$KCl,P{H}_3,O_2,B_2{H}_6,H_{2}S{O}_4$

• A. $KCl,B_2{H}_6$
• B. $KCl,B_2{H}_6,P{H}_3$
• C. $KCl,H_{2}S{O}_4$
• D. $KCl$

Answer 1

The correct option is D $KCl$

$KCl$ contains only an ionic bond between $K^{+}$ and $C{l}^{-}$ ions $\left(K^{+}C{l}^{-}\right)$, while the other structures have covalent bonds as follows: