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Statement-1: B does not form [BF(6)]^(3-...

Statement-1: B does not form `[BF_(6)]^(3-)`
Statement-2: Co-ordination number of B is 4.

A

(a) Statement-1 is true, statement-2 is true, statement-2 is a correct explanation for statement-1

B

(b) Statement-1 is true, statement-2 is true, statement-2 is not correct explanation for statement-1

C

(c) Statement-1 is true, statement-2 is false

D

(d) Statement-1 is false, statement-2 is true

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-THE P-BLOCK ELEMENTS-Assignment Section-E)
  1. Statement-1: Aluminium chloride has chloro-bridged structure in vapour...

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  2. Statement-1: B(OH)(3) behaves as a lewis acid. Statement-2: Second i...

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  3. Statement-1: B does not form [BF(6)]^(3-) Statement-2: Co-ordination...

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  4. Statement-1: B(2)H(6) on heating with excess of ammonia forms boron ni...

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  5. Statement-1: BCl(3) and C Cl(4) do not undergo hydrolysis. Statement...

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  6. Statement-1: Silicones are used as high class industrial insulators. ...

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  7. Statement-1: Pyro-silicates are 1-D polymers. Statement-2: In pyro-s...

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  8. Statement-1: Inter-stitial carbides are formed when heavy metals react...

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  9. Assertion: All clatharate compound of noble gas are the compounds in w...

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  10. Assertion:PCl(5) is covalent in gaseous and liquid states but ionic in...

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  11. Statement-1: Bond energy of Hl is smaller than that of HBr. Statemen...

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  12. Statement-1: NCl(3) is hydrolysed by water by NF(3) is not hydrolysed....

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  13. Statement-1: Peroxomonosulphuric acid has low basicity. Statement-2:...

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  14. Statement-1: HF is weaker acid than HCl. Statement-2: F^(-) has high...

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  15. Statement-1: IC l(2)^(Theta) is a linear compound. Statement-2: In I...

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  16. Statement-1: NH(3) is more basic than NF(3) Statement-2: F is more e...

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  17. Statement-1: H(2)S is weak diprotic acid. Statement-2: Salt of aq. N...

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  18. Statement-1: All noble gases are considered as unreactive. Statement...

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  19. Statement-1: NH(4)NO(3) evolve a gas on addition of NaOH. Statement-...

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  20. Statement-1: O(2)F(2) is an unstable orange yellow coloured solid. S...

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