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Q.

Which of the following is electron-deficient?

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a

${({BH}_{3})}_{2}$

b

${PH}_{3}$

c

${({CH}_{3})}_{2}$

d

${({SiH}_{3})}_{2}$

answer is A.

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Detailed Solution

detailed_solution_thumbnail

(BH3)2 → Electron-deficient hydride
PH3 → Electron-precise hydride
(CH3)2 → Electron-precise hydride
(SiH3)2 → Electron-precise hydride

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