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Elements with their electronic configura...

Elements with their electronic configurations are given below: Answer the following questions:
(I) `1s^(2) 2s^2 (II) 1s^(2) 2s^(2) 2p^(6) (III) 1s^(2) 2s^(2) 2p^(6) 3s^(2) (IV) 1s^(2) 2s^(2) 2p^(3) (V) 1s^(2) 2s^(2) 2p^(5)`
The element with lowest value of electron affinity is:

A

I and IV

B

I and V

C

III and IV

D

III and V

Text Solution

Verified by Experts

The correct Answer is:
D
Because out of the given choices III will have the highest tendency to lose its electrons and V will have highest tendency to accept electrons.
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VMC MODULES ENGLISH-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -LEVEL -1
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  2. IE(1) and IE(2) of Mg are 178 and 348 kcal mol^(-1). The energy requir...

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  3. The IP(1),IP(2),IP(3),IP(4) and IP(5) of an element are 7.1, 14.3, 34....

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  4. Correct order of electronegativity of N,P,C and Si on Pauling scale is...

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  5. Which of the following have maximum electron affinity?

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  6. The electronic configuration: 1s^(2),2s^(2)2p^(6),3s^(2)3p^(6),3d^(1...

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  7. EN of the element (A) is E(1) and IP is E(2). Then EA will be

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  8. The element with atomic number 57 belongs to:

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  9. The most metallic of the following elements is:

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  10. Which set is expected to show the smallest difference in IE(1) ?

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  11. Successive ionisation energy of an atom is greater than previous one, ...

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  12. What is the order of ionisation energies of the coinage metal

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  13. On moving from Li to F in the second period, there would be a decrease...

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  14. Which of the following has the maximum value of electronegativity?

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  15. Which of the following element has the maximum electron affinity ?

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  16. A change of Zn to Zn^(2+) is a accompanied by a decrease in:

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  17. The electronic configuration of some elements are given below: (i) 1...

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  18. Elements with their electronic configurations are given below: Answer ...

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  19. Elements with their electronic configurations are given below: Answer ...

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  20. The number of elements which can be accommodated in the present set-up...

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