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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 `

D

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

Text Solution

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The correct Answer is:
B

Increasing size `EA_(1): B lt C lt N lt O`
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BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-LEVEL-II
  1. The electron affinity of nitrogen is lower than that of carbon because

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  2. The decreasing order of second ionisation potential of K, Ca and Ba is...

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  3. The incorrect statement among the following is:

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  4. Increasing order of atomic radii is:

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  5. The sucessive ionisation energy values for an element X are given belo...

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  6. The electron affinity values (in kJ mol^(-1) )of three halogens X, Y a...

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  7. Choose the incorrect statement. : Chemical reactivity tends to be h...

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  8. In which of the following arrangements, the order is not correct accor...

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  9. Sodium cannot exhibit +2 oxidation state because its:

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  10. Consider the electronic configurations, (i) 1s^(2)2s^(2)2p^(6)3s^(1) ...

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  11. IP(1) and IP(2) of Mg are 178 and 348 kcal mol^(-1). The energy requir...

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  12. The IP(1), IP(2), IP(3), IP(4), and IP(5), of an element are 7.1, 14.3...

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  13. The electronic configuration corresponding to most metallic element is...

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  14. The valence shell of element A contains 3 electrons while the valency ...

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  15. What is the atomic number of last member of the seventh period of the ...

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  16. The electronic configuration of four elements are: 1. [Xe]6s^(1) 2) ...

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  17. Beryllium and aluminium exhibit many properties which are similar. But...

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  18. Which among the following statements is not true for the long form of ...

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  19. Which of the following order is wrong?

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  20. Which one of the following statements is correct?

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