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The main factor of shorter B-F bonds in ...

The main factor of shorter `B-F` bonds in `BF_(3)` is :

A

large electronegativity of fluorine

B

three-centred two electron bonds in `BF_3`

C

`p pi = p pi` back bonding

D

`p pi - d pi` back bonding

Text Solution

Verified by Experts

The correct Answer is:
C
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MODERN PUBLICATION-MOCK TEST PAPER - 3-MCQs
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  2. Which one of the following has the largest bond angle ?

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  3. The main factor of shorter B-F bonds in BF(3) is :

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  4. The complex CoCl3. 4NH3 ionises to give :

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  6. Deviations for ideal behaviour will be less if the gas is subjected to...

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  7. The difference between heats of reaction at constant pressure and cons...

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  8. How many coulombs of electricity are required for the oxidation of one...

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  9. The difference between heats of reaction at constant pressure and cons...

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  10. For the cell reaction X(s) + 2Y^(+) to X^2 + 2Y kc has been foun...

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  11. The Kc of an acid is 3.2 xx 10^(-5). The degree of dissociation of the...

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  12. Intermediates formed during the reaction of RCONH2 with Br2 and KOH a...

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  13. Which of the following solution will have pH = 9 at 298 K ?

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  14. What is the oxidation state of Cr in CrO5 and why?

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  15. The IUPAC name of the compound (CH3)2CHCH = CHCH2 COOH is :

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  16. Propionamide when heated with a mixture of bromine and caustic alkali...

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  17. Aniline undergoes condensation to form Schiff base on reacting with:

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  18. On boiling tin with alkali, the product is :

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  19. The strength of H2O2 (in g/litre) in 15 volume solution of H2O2 is :

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  20. Which of the following alkali metal carbonates is the most stable towa...

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