JEE Mains 31-Jan-2023 Shift 2 Solved Paper

Section: Chemistry

Question : 42 of 90

Marks: +1, -0

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R)
Assertion (A) : The first ionization enthalpy of 3d series elements is more than that of group 2 metals
Reason (R): In 3d series of elements successive filling of d-orbitals takes place.
In the light of the above statements, choose the correct answer from the options given below :

[31-Jan-2023 Shift 2]

Both (A) and (R) are true and (R) is the correct explanation of (A)
Both (A) and (R) are true but (R) is not the correct explanation of (A)
(A) is false but (R) is true
(A) is true but (R) is false

Validate

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	Sc	Ti	V	Cr	Mn
IE(KJ∕mol)	631	656	650	653	717
	Fe	Co	Ni	Cu	Zn
IE(KJ∕mol)	762	758	736	745	906

	Be	Mg	Ca	Sr	Ba	Ra
IE(KJ∕mol)	631	656	650	653	717	762