The $\mathrm{O}-\mathrm{H}$ bond length in $\mathrm{H}_2 \mathrm{O}$ in gas phase is

1. $95.7 \mathrm{pm}$
2. $90.2 \mathrm{pm}$
3. $104.5 \mathrm{pm}$
4. $115.5 \mathrm{pm}$

Solution

Water is a bent molecule in the gaseous phase with $\mathrm{O}-\mathrm{H}$ bond length of $95.7 \mathrm{pm}$.

Asked in: AP EAMCET 2023 (15 May Shift 1)

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