Which one of the following is a correct set?

Which one of the following is a correct set?
  1. $\mathrm{H}_2 \mathrm{O}, s p^3$, angular
  2. $\mathrm{H}_2 \mathrm{O}, s p^2$, linear
  3. $\mathrm{NH}_4^{+}, d s p^2$, square planar
  4. $\mathrm{CH}_4 d s p^2$, tetrahedral

Solution

$\mathrm{H}_2 \mathrm{O}$ has $s p^3$-hybridisation and is angular in shape.

Asked in: AP EAMCET 2003

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