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Periodicity of Elements is an important topic in the Chemistry section in CUET PG exam. Practising this topic will increase your score overall and make your conceptual grip on CUET PG exam stronger.
This article gives you a full set of CUET PG PYQs for Periodicity of Elements with explanations for effective preparation. Practice of CUET PG Chemistry PYQs including Periodicity of Elements questions regularly will improve accuracy, speed, and confidence in the CUET PG 2026 exam.
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CUET PG PYQs for Periodicity of Elements with Solutions
1.
The correct order of decreasing ionic radii among the following isoelectronic species- \(K^+, \, Ca^{2+}, \, Cl^-, \, S^{2-}\)
- \(K^+, \, Cl^-, \, Ca^{2+}, \, S^{2-}\)
- \(S^{2-}, \, Ca^{2+}, \, Cl^-, \, K^+\)
- \(S^{2-}, \, Cl^-, \, K^+, \, Ca^{2+}\)
- (A) > (B) > (C) > (D)
- (A) > (C) > (B) > (D)
- (D) > (B) > (C) > (A)
- (D) > (C) > (A) > (B)
2.
Electronegativity of the following elements increases in the order
(A). C
(B). N
(C). Si
(D). P
Choose the correct answer from the options given below:- (C). (D). (A). (B).
- (C). (A). D). (B).
- (B). (A). D). (C)
- (C). (B). (D). (A)
3.
Which of the following species has the highest electron affinity?- F-
- Cl-
- O-
- Na-
4.
The increasing order of molarity of 25 gm each of:
(A) \( \text{NaOH} \)
(B) \( \text{LiOH} \)
(C) \( \text{KOH} \)
(D) \( \text{Al(OH)}_3 \)
(E) \( \text{B(OH)}_3 \)
in the same volume of water is:
Choose the correct answer from the options given below:- (D) < (E) < (C) < (A) < (B)
- (D) < (C) < (B) < (A) < (E)
- (B) < (A) < (C) < (E) < (D)
- (B) < (C) < (D) < (A) < (E)
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