Which one of the following elemen does not dissolve in fused or aqueous alkalies?
Which one of the following elemen does not dissolve in fused or aqueous alkalies?
A. Boron
B. Silicon
C. Aluminium
D. None of these
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Correct Answer - D
Boron dissolved in fused alkalies according to the following reaction.
`2B+6NaOHoverset("fused")to2Na_(3)BO_(3)+3H_(2)`
Silicon and aluminium dissolved in both fused and aqueous alkalies.
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