Q.

Aqueous solution of which of the following boron compounds will be strongly basic in nature?

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a

Na2B4O7

b

B2H6

c

NaBH4

d

LiBH4

answer is D.

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Detailed Solution

Na2B4O7 is borax and when it is treated with water, it forms H3BO3 and NaOH. NaOH is a strong base and H3BO3 is a weak acid. As aqueous solution of boric acid is alkaline, hence it is basic in nature.

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Aqueous solution of which of the following boron compounds will be strongly basic in nature?