Question
In the modern periodic table, elements are arranged in
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| List$-I$ | List$-II$ |
| $A$ $H _3 O ^{+}$ | $I$ Tetrahedral |
| $B$ Acetylide anion | $II$ Linear |
| $C$ $NH _4^{+}$ | $III$ Pyramidal |
| $D$ $ClO _2^{-}$ | $IV$ Bent |
Choose the correct answer from the options given below :