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Standard X
Chemistry
Ionisation Energy
Question

The ionisation potential of X−(g) is numerically equal to :
  1. E.A. of X(g)
  2. EA of X+(g)
  3. E.A. of X2−(g)
  4. E.A of X2+(g)

A
E.A. of X(g)
B
EA of X+(g)
C
E.A of X2+(g)
D
E.A. of X2−(g)
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Solution
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X−→X+e−; ΔH=I.P of X−
X+e−→X−; ΔH=−E.A of X
Comparing the above two equations we get :
I.P of X−=E.A of X

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Similar Questions
Q1
Assign true (T) or false (F) for the following statements and select the correct option for your answer.
I) I.P. of O(g) is less than I.P. of O−(g)
II) I.P. of Ne(g) is greater than I.P. of Ne+(g)
III) E.A. of O+(g) is greater than E.A. of O(g)
IV) E.A. of N(g) is greater than I.P. of N+(g)
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Q2
The ionisation potential of X−(g) is numerically equal to :
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Q3
N02 atoms of X(g) are converted into X+(g) by energy E1. N02 atoms of X(g) are converted into X−(g) by energy E2. Hence, ionisation potential and electron affinity of X(g) are:
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Q4
A0/2 atoms of X(g) are converted into X+(g) by absorbing energy E1. A0/2 of X+(g) are converted into X−(g) with the release of energy, E2. Hence the ionisation energy and the electron affinity of X(g) are repectively _____ and _______.
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Q5

​​​​​​

No/2 atoms of X(g) are converted into X+(g) by energy E1 ​​​. No/2 atoms of X(g) are converted into X-(g) by energy E2 ​​​​​​. Hence the ionisation potential and electron affinity of X(g) per atom are:

A. 2E1/No. , 2(E2-E1)/No

B. 2E1/No. ,. 2E2/No

C. E1-E2/No. ,. 2E2/No

D. None is correct

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