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BCl(3) does not exist as dimer but BH(3)...

`BCl_(3)` does not exist as dimer but `BH_(3)` exists as dimer because

A

Chlorine is more electronegative than hydrogen

B

There is `p_(pi)-p_(pi)` bonding in `BCl_(3)` but `BH_(3)` does not contain such bonding

C

Large sized chlorine atoms do not fit between the small boron atoms whereas smalled sized hydrogen atoms get fitted between boron aotms.

D

None of these

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The correct Answer is:
C
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ALLEN-p-Block Element -All Questions
  1. The main factor responsible for weak acidic nature of BF(3) is :-

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  2. BCl(3) does not exist as dimer but BH(3) exists as dimer because

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  3. Which of the following statement is true on the basis of back bonding...

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  4. Which of the following is incorrect for H(3)BO(3)

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  5. In the reaction. 2X + B(2) h(6) to [BH(2) (X(2))]^(+) [BH(4)]^(-) ...

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  6. Solid CO(2) is

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  7. What is hybridisation on the central atom of SiO(2).

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  8. Which one of the following statement regardings BF(3) is not correct ?

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  9. Borazole (B(3)N(3)H(6)) is related to benzene as

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  10. Na(2)B(4)O(7).10H(2)O is correctly represented as

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  11. The hybridization states of boron and nitrogen in borazole respectivel...

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  12. Alumina is an ionic compound but insoluble in water because

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  13. Fruit flies are one of the best materials for genetic studies becaus...

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  14. Which does not exist ?

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  15. Three centred two electron bond is present in

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  16. Correct order is

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  17. Thallium(Tl) Show +1 stable oxidation state due to because

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  18. The maximum number of atoms which lie in the same plane in B(2)H(6) mo...

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  19. In which of the folowing molecules, vacant orbitals do not participate...

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  20. b. Buckminsterfullerne or buckuy ball is ………………. ,

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