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Assertion: The second ionisation energie...

Assertion: The second ionisation energies of V, Cr and Mn are in the order `VltCrltMn`.
Reason: Ionisation energies show a regular increase along a period with increase of atomic number.

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Text Solution

Verified by Experts

The correct Answer is:
d
Correct A: The correct order of `IE_(2)` is
`V lt Cr lt Mn`
Correct `R: Cr` after losing one electron has `3d^5` stable configuration from which removal of second electron is difficult.
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