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AMU Engineering 2020 solved paper Solved Paper
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© examsnet.com
Question : 52
Total: 150
Which one among the following is not correct as per indicated property?
B
r
2
<
C
l
2
<
F
2
(Oxidising power)
B
r
2
<
F
2
<
C
l
2
(Electron gain enthalpy)
B
r
2
<
C
l
2
<
F
2
(Electronegativity)
B
r
2
<
C
l
2
<
F
2
(Bond energy)
Validate
Solution:
Due to small size and high electron density, electron-electron repulsion between two F-atom, causes increase in bond-length and thus decrease in bond energy. Hence, correct order is
F
2
<
B
r
2
<
C
l
2
© examsnet.com
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