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Binomial Nomenclature

The formula o...

Question

The formula of the complex hydridotrimethoxidoborate ( III ) ion is:

A

{[B H {(O C H_{3})}_{3}]}_{3}^{2 -}

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B

{[B H_{2} {(O C H_{3})}_{3}]}_{2}^{2 -}

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C

{[B H {(O C H_{3})}_{3}]}_{3}^{-}

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D

{[B H {(O C H_{3})}_{3}]}_{3}^{+}

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Solution

The correct option is B ${[B H {(O C H_{3})}_{3}]}_{3}^{-}$
Complex hydridotrimethoxidoborate ( III ) ion have one hydride ion, three methyloxide ion and boron in +3 oxidation state so formula of compound is - ${[B H {(O C H_{3})}_{3}]}_{3}^{-}$ .

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