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Two elements A and B are such that Bond ...

Two elements A and B are such that Bond energy of A-A,B-B `&` A-B are respectively 81 Kcal/mol, 64 Kcal/mol and 88 Kcal/mol. If electronegativity of B is 3 then electronegativity of A may be

A

2.81

B

1.8

C

1.99

D

`3.0`

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MOTION-PERIODIC TABLE -Exercise - 3 | Level-I
  1. Arrange noble gases, in the increasing order of b.p.

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  2. Calculate E.N. of chlorine atom on Pauling scale if I.E. of CI^(-) is ...

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  3. Calculate the electronegativity of fluorine from the following data: ...

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  4. The IE values of Al((g)) = Al^(+) +e is 577.5 kJ mol^(-) and DeltaH fo...

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  5. How many chlorine atoms will be ionised Cl to Cl^(-) + e^(-) by the en...

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  6. For the gaseous reaction , K((g)) + F((g)) to K^(+) + F^(-) , DeltaH w...

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  7. The ionisation potentials of atoms A and B are 400 and 300 kcal mol^(-...

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  8. The As-Cl bond distance in AsCl(3) is 2.20 Å. Estimate the SBCR (singl...

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  9. The Pt-Cl distance has been found to be 2.32 Å in several crystalline ...

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  10. A mixture contains F and Cl atoms. The removal of an electron from eac...

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  11. Arrange the following ions Na^(+) , Mg^(2+) , Al^(3+) in increasing ...

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  12. Arrange the following ions Na^(+) , Mg^(2+) , Al^(3+) in increasing ...

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  13. Arrange the following ions Na^(+) , Mg^(2+) , Al^(3+) in increasing ...

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  14. Arrange the following ions Na^(+) , Mg^(2+) , Al^(3+) in increasing ...

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  15. Arrange the following ions Na^(+) , Mg^(2+) , Al^(3+) in increasing ...

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  16. Arrange following oxides in increasing acidic nature Li(2) O , BeO ,...

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  17. Which oxide is more basic, MgO or BaO? Whay?

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  18. The basic nature of hydroxides of group 13 (III-A) decreases progressi...

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  19. Based on location in P.T. which of the following would you expect to b...

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  20. Two elements A and B are such that Bond energy of A-A,B-B & A-B are re...

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