nursing AIIMS BSc Nursing 2025 Mock Test Series Chemistry d And f - Block Elements

Increasing order of ionic radii of the followings :

(A) Eu3+

(B) Lu3+

(C) Y3+

(D) La3+

Choose the correct answer from the options given below:

1
(A) < (B) < (C) < (D)
2
(A) < (C) < (B) < (D)
3
(B) < (C) < (A) < (D)
4
(C) < (B) < (D) < (A)
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