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BCI(3) does not exist as dimer but BH, e...

`BCI_(3)` does not exist as dimer but BH, exist as dimer because 

A

Cl is more electropossitive than H

B

There is `ppi-ppi` back bonding in `BCl_(2)` but `BH_(3)` does not contain such multiple bonding

C

Large sized chlorine atoms do not fit in between small sized boron atoms whereas small sized hydrogen atoms get fitted in between boron atoms

D

None of these

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ELEMENTS OF BORON FAMILY-OBJECTIVE EXERCISE - 2
  1. NA(2)B(4)O(7).10H(2)O can also be represented as

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  2. Which of the following is a correct match?

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  3. BCI(3) does not exist as dimer but BH, exist as dimer because

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  4. What is Z in the following reactions? BCl(3)+H(2)underset(450^(@)C)o...

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  5. Observe the following statements : 1) H(3)BO is used as antiseptic ...

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  6. Which of the following statements are correct? i) Boron reacts with ...

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  7. Diborane reacts with HCl in the present of AlCl(3) and liberates

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  8. Which of the following statements is correct?

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  9. Slippery nature of orthoboric acid is due to

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  10. The maximum number of atoms present in the same plane in diborane mole...

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  11. The colour developed for Co^(2+) basic radical in borax bead test is

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  12. Orthoboric acid on heating above 370K gives

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  13. A convenient laboratory preparation of Diborane is

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  14. Which of the following aqueous solution used as antiseptic

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  15. Boric acid (H(2)BO(3)) has

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  16. The non planar molecule among the following

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  17. White fumes appear around the bottle of anhyd. AlCl(3) due to the form...

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  18. Methylation of diborane gives [Me = methyl group]

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  19. The number of sigma and pi bonds present in inorganic benzene

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  20. The number of electrons shared between the two Boron atoms directly in...

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