Question

Which contains both covalent and ionic bonds?

• A. $CC{l}_4$
• B. $KCN$
• C. $CaC{l}_2$
• D. $H_{2}O$

Answer 1

The correct option is B $KCN$

$K^{+}[C\equiv N{]}^{-}$; $K^{+}$ and $C{N}^{-}$ ionic; whereas, ${}^{\prime }{C}^{\prime }$ and ${}^{\prime }{N}^{\prime }$ form covalent bonds.