Which of the following has highest electron gain enthalpy?
(A) $[N e] 3 s^{2} 3 p^{3}$
(B) $[N e] 3 s^{2} 3 p^{4}$
(C) $[N e] 3 s^{2} 3 p^{5}$
(D) $[N e] 3 s^{2} 3 p^{2}$

(A)

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(B)

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(C)

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(D)

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Solution

The correct option is C (C)
The element $(C)$ will have highest electron gain enthalpy as it easily gains one more electron to achieve stable configuration of next inert gas.

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Similar questions

[N e] 3 s^{2} 3 p^{3}

[N e] 3 s^{2} 3 p^{4}

[N e] 3 s^{2} 3 p^{5}

[N e] 3 s^{2} 3 p^{2}

[N e] 3 s^{2} 3 p^{2}

Question 22

Amongst the following elements whose electronic configuration are given below, the one having the highest ionisation enthaply is

(a) $[N e] 3 s^{2} 3 p^{1}$

(b) $[N e] 3 s^{2} 3 p^{3}$

(d) $[A r] 3 d^{10} 4 s^{2} 4 p^{3}$

Which element from the following has the highest ionisation energy ?

(a) P, Na, Cl (b) F, O, Ne (c) Ne, He, Ar

Explain your choice.

Which set of elememel shows positive electron gain enthalpy?

1. He,N,O

2. Ne,N,Cl

3. O,Cl,F

4. N,He,Ne

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