Which of the following has the smallest bond | vedclass

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(D) The bond angle depends on the electronegativity of the central atom and the size of the atoms attached. In $NH_3$ and $PH_3$,the central atoms are

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$H_2S$

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(D) The bond angle depends on the electronegativity of the central atom and the size of the atoms attached. In $NH_3$ and $PH_3$,the central atoms are $N$ and $P$ respectively. $PH_3$ has a bond angle of approximately $93.5^\circ$ due to the lower electronegativity of $P$ compared to $N$ $(NH_3 \approx 107^\circ)$. In $H_2O$ and $H_2S$,the central atoms are $O$ and $S$ respectively. $H_2S$ has a bond angle of approximately $92^\circ$ because $S$ is less electronegative than $O$ and has a larger atomic size,leading to less repulsion between bond pairs. Comparing $PH_3$ and $H_2S$,$H_2S$ has the smallest bond angle among the given options.

Which of the following has the smallest bond angle?

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