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MCQ-11
The correct order of electron affinity
A. CI > F = I
B. I < F < CI
C. F > CI > I
D. I > CI > F

Answer: B

MCQ-12
Which one of the following species shows maximum types of van der Waal’s repulsions?
A. H₂S
B. NF₃
C. BH₄^–
D. NH₄⁺

Answer: A

MCQ-13
According to VSEPR theory, _____ does not belong to the AB₄ type
A. H₂S
B. BF₃
C. BH₄^–
D. NH₄⁺

Answer: B

MCQ-14
H₃O⁺ contains
I-Electrovalent bond
II-Dative bond
III-Covalent bond
A. I, II and III
B. I and II
C. II only
D. II and III

Answer: D

MCQ-15
The bond angle of 107° is present in
A. NH₃
B. AIH₃
C. NF₃
D. NH₄⁺

Answer: A