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Assertion (A) : Ionisation potential of ...

Assertion (A) : Ionisation potential of Be (atomic number `4` ) is than B (atomic number `5)`
Reason (R ) : The first electron released fromm Be is of p orbitals but that from B is of a orbitals.

A

If both (A) and (R ) correct and (R ) is the correct explanation for (A)

B

If both (A) and (R ) correct and (R ) is the correct explanation for (A)

C

If (A) is correct but (R ) is incorrect

D

If both (A) and (R ) are incorrect

Text Solution

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Ionisation potential of Be is more than B fuirst elkectron released from Be is s orbital, white B is of p orbital
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