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COMEDK Exam 2023 Shift 1 Solved Paper
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Question : 20
Total: 180
Pick up the correct statement.
Dipole moment of ammonia is due to orbital dipole and resultant diapole in same direction.
O
2
,
H
2
shown bond diapole due to polarisation.
Dipole moment is scalar quantity.
In
BF
3
bond dicopoles are zero but dipole moment is higher.
Validate
Solution:
Option (a) is the correct option.
In ammonia,
As, nitrogen is more electronegative than hydrogen, the resultant dipole moment adds up in the same directioin.
Dipole moment is a vector quantity.
O
2
and
H
2
are homoatomic molecules thus, show no dipole.
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