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Electronic configuratios of four element...

Electronic configuratios of four elements `A, B, C` and `D` are given below:
(i) `1s^(2)2s^(2)2p^(5)` (ii) `1s^(2)2s^(2)2p^(4)` (iii) `1s^(2)2s^(2)2p^(6)3s^(1)` (iv) `1s^(2)2s^(2)2p^(5)`
Which of the following is the correct order of increasing tendency of gain electron:

A

`(i) lt (ii) lt (ii) lt (iv)`

B

`(i) lt (ii) lt(iii) lt (iv)`

C

`(iv) lt (ii) lt (iii) lt (i)`

D

`(iv) lt (i) lt (ii) lt (iii)`

Text Solution

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The correct Answer is:
A
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