Q.

(A) : The electronic configuration of Cr is [Ar]3d54s1 but not [Ar]3d44s2.
(R) : Lowering energy with configuration [Ar]3d54s1 is more than that with configuration [Ar]3d44s2.

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

(A) is true but (R) is false

b

(A) is false but (R) is true

c

Both (A) and (R) are true and (R) is the correct explanation of (A)

d

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

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Exchange energy is more.

Watch 3-min video & get full concept clarity

tricks from toppers of Infinity Learn

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
(A) : The electronic configuration of Cr is [Ar]3d54s1 but not [Ar]3d44s2.(R) : Lowering energy with configuration [Ar]3d54s1 is more than that with configuration [Ar]3d44s2.