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H(3)BO(3)(s) + aq. NaOH overset(Delta)ra...

`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)`

Text Solution

Verified by Experts

The correct Answer is:
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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RESONANCE-P-BLOCK ELEMENT (BORON AND CARBON FAMILY)-Exercise-2 Part-I : ONLY ONE OPTION CORRECT TYPE
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  5. Aluminium vessels should not be washed with materials containing washi...

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  6. Select the incorrect statement of the following.

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  7. Which of the following statements is correct for diborane?

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  8. B(2)H(6)+NH(3)to Addition compound (X) overset("450 K")to Y+Z (g) ...

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  9. Borazine and benzene show striking similarities in their properties. T...

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  10. Aqueous ammonia is used as a precipitating reagent for Al^(3+) ions as...

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  11. Borax is used as buffer since :

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  12. Which of the following sompound is obtained on heating potassium ferro...

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  13. B(OH)(3)+NaOH to Na[B(OH)(4)](aq). Then addition of which of the fo...

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  14. H(3)BO(3)(s) + aq. NaOH overset(Delta)rarr(X), H(3)BO(3)(s) + "molte...

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  15. SnCl(4) stannic chloride hydrolyses in dilute solution as per given r...

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  16. Amphoteric oxide (X) + 3C+ Cl(2) to Poisonous gas + anhydrous chloride...

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  17. Which of a solution of sodium hydroxide is addeed in excess to the sol...

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  18. BF(3) on hydrolysis forms

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  19. Preparation of organosilicones from SiCl(4) involves substituion in fi...

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  20. To get the silicone R(3)Si-(OSiR(2))(n)-SiR(3) having 4Si-O-Si linkage...

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