iran-konkur 2017 Q209

iran-konkur · Other · konkur-riazi_1396_specialized Not Maths
209- The bond angle in which molecule is closest to the bond angle in water?
(1) $CO_3^{2-}$ (2) $NH_3^-$ (3) $NO_3^+$ (4) $H_3O^+$
\textbf{209-} The bond angle in which molecule is closest to the bond angle in water?

(1) $CO_3^{2-}$ \hfill (2) $NH_3^-$ \hfill (3) $NO_3^+$ \hfill (4) $H_3O^+$