Two p-block elements X and Y form fluorides of the type . The fluoride compound is a Lewis acid and is a Lewis base. The hybridizations of the central atoms of and respectively are [2026]

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Solution

Q.
Two p-block elements X and Y form fluorides of the type ${EF}_{3}$ . The fluoride compound ${XF}_{3}$ is a Lewis acid and ${YF}_{3}$ is a Lewis base. The hybridizations of the central atoms of ${XF}_{3}$ and ${YF}_{3}$ respectively are [2026]

1 Both ${sp}^{2}$

2 Both ${sp}^{3}$

3 ${sp}^{2}$ and ${sp}^{3}$

4 ${sp}^{3}$ and ${sp}^{2}$

Ans.
(3)

$X F_{3} = B F_{3}; s p^{2}$

$Y F_{3} = N F_{3}; s p^{3}$

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