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Which of the following does not exist in...

Which of the following does not exist in free state-

A

`BF_3`

B

`BCl_3`

C

`B Br_3`

D

`BH_3`

Text Solution

Verified by Experts

The correct Answer is:
D
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CHHAYA PUBLICATION-SOME p-BLOCK ELEMENTS-MCQ HOTSPOT (Single Correct Type)
  1. Si when reacts with A forms B . A & B respectively are -

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  2. Boric acid is a-

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  3. Which of the following does not exist in free state-

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  4. Correct order of decreasing Lewis acid character is -

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  5. Which of the following is present in the chain structure of silicate-

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  6. A metal, M forms chlorides in +2 and +4 oxidation states. Which of the...

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  7. The number of O-atoms that are shared per SiO4 tetrahedra in silicate ...

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  8. Which of the following on hydrolysis produces cross-linked silicone po...

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  9. The antidote of poisoning caused by CO is-

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  10. Carbon suboxide on reaction with water produces-

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  11. Volume of which liquid metal increases on solidification-

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  12. Which of the following reacts only with alkali-

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  13. Which is the strongest Lewis acid-

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  14. Atomic radius of Ga is slightly less than that of Al. The reason is-

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  15. Carbon does not form complexes, because-

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  16. Super critical CO2 is used as-

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  17. Stability of + 1 oxidation state increases in the sequence-

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  18. Which of the following is acidic in nature-

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  19. Correct order of first ionisation enthalpy for Gr-13 elements is-

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  20. Which of the following elements is not likely to be the central atom i...

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