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Standard XII
Chemistry
Question
Which of the following has highest electron gain enthalpy?
O
S
S
e
T
e
A
S
e
B
O
C
T
e
D
S
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Solution
Verified by Toppr
Electron gain enthalpy - It is detined as the ammount
of energy released when an electron is added to
an isolated gaseous atom.
In periodic table Left to Right increases and
Top to bottom decreses
size :
O
<
S
<
S
e
<
T
e
Size of oxygen is small as compare to
S
,
so, it is not e- added so easily, hence
S have highest electron gain enthalpy.
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Q1
Which of the following has highest electron gain enthalpy ?
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Q2
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Q3
The increasing order of electron gain enthalpy of the following substances is:
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