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In which of the following arrangements ,...

In which of the following arrangements , the order is not correct according to the property indicated against it:

A

Increasing size `Al^(3+) lt Mg^(2+) lt Na^(+) lt F^(-)`

B

Increasing `IE_(1): B lt C lt N lt O`

C

Increasing `EA_(1):I lt Br lt F lt Cl`s

D

Increasing metallic radius: `Li lt Na lt K lt Rb`

Text Solution

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The correct Answer is:
B
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NARAYNA-PERIODIC TABLE -All Questions
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  2. The correct order of atomic radii is:

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  3. In which of the following arrangements , the order is not correct acco...

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  4. Successive ionisation potentials of an element M are 8.3,25.1,37.9,259...

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  5. The IP(1),IP(2),IP(3) and IP(4) of an element A are 6.0, 10.0, 16.0 an...

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  6. H-H, X-X and H-X bond energies are 104 Kcal//"mole" 60 Kcal//"mole" a...

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  7. The ionisation energy and electron affinity of an element are 13.0ev a...

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  8. The bond energies of H-H, X-X and H-X are 104 K.cal, 38 K.cal and 138 ...

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  9. The atomic numbers of elements A,B,C and D are Z - 1, Z, Z + 1 and Z +...

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  10. M((g)) rarr M((g))^(+) +e^(-), DeltaH = 100eV M((g)) rarr M((g))^(2+...

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  11. The increasing order of the first ionization enthalpies of the element...

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  12. Using the data given below,predict the nature of heat changes for the ...

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  13. How many Cs atoms can be convered to Cs^(+) ions by 1 joule energy if ...

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  14. The elecron affinity of chlorine is 3. 7 eV. How much energy in kcal i...

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  15. The energy needed for Li(g) rarr Li(g)^(3+) + 3e is 1. 96 xx 10^4 kJ m...

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  16. Following statements regarding the periodic trends of chemical reactiv...

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  17. Which of the following represent the correct order of increasing first...

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  18. The correct sequence which shown decreasing order of the ionic radii o...

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  19. The set representing the correct order of ionic radius is

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  20. The charge/size ratio of a cation determines its polarising power. Whi...

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