`H_(3)BO_(3)(s) + aq. NaOH overset(Delta)rarr(X)`, `H_(3)BO_(3)(s) + "molten" NaOH overset(Delta)rarr (Y)` Compound (X) & (Y) are respectively,
`H_(3)BO_(3)(s) + aq. NaOH overset(Delta)rarr(X)`,
`H_(3)BO_(3)(s) + "molten" NaOH overset(Delta)rarr (Y)`
Compound (X) & (Y) are respectively,
A. `Na_(3)BO_(3), Na_(3)B`
B. `Na_(3)BO_(3), NaBO_(2)`
C. `Na[B(OH)_(4)], Na_(3)BO_(3)`
D. `Na_(3)BO_(3), Na[B(OH)_(4)`
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Correct Answer - C
`H_(3)BO_(3)(s)+NaOH(aq.)overset(Delta)toNa[B(OH)_(4)]`
`H_(3)BO_(3)(s)+NaOH("molten")overset(Delta)toNa_(3)BO_(3)+3H_(2)O`
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