VSEPR Theory
MCQs for CSIR NET & GATE
Chemical Bonding
Topic wise Assignment-2
Q1. The shape and geometry of [XeF3]+ respectively is
(a) TBP and T-shape
(b) T-shape and TBP
(c) TBP and See-Saw
(d) See-Saw and TBP
Q2. The molecule with biggest bond angle is
(a) NH3
(b) NF3
(c) H3O+
(d) NH4+
Q3. What will be the basicity of acid formed by hydrolysis of AsX3 and P2X4?
(a) 3 and 2
(b) 2 and 3
(c) 3 and 4
(d) 2 and 4
Q4. Number of vertices, edges and faces in pentagonal bipyramidal geometry are respectively
(a) 7, 15, 10
(b) 7, 10, 15
(c) 7, 10, 12
(d) 5, 10, 15
Q5. How many molecules/ions in the following have two lone pairs in the central atom according to VSEPR theory?
(b) 3
(c) 4
(d) 0
Q6. In water, ammonia and methane molecules
(b) Bond distances are same
(c) Hybridizations are same
(d) Shapes are same
Q7. According to the VSEPR theory, molecule/ion having ideal tetrahedral shape is
(b) SO42-
(c) S2Cl2
(d) SO2Cl2
Q8. Among the following pairs, those in which both the species have similar structures are
(B) [ICl4]-,[PtCl4]2-
(C) [ClF2]+, [ICl2]-
(D) XeO3, SO3
(a) A and B only
(b) A and C only
(c) A, B and C
(d) B, C and D
Q9. Match list I compounds with list II structures and select the correct answers using the codes below.
(A) XeO4 (I) Square Planer
(B) BrF4- (II) Tetrahedral
(C) SeCl4 (III) Distorted Octahedral
(a) (A-II) (B-III) (C-I)
(b) (A-III) (B-I) (C-II)
(c) (A-II) (B-I) (C-III)
(d) (A-I) (B-II) (C-III)
Q10. Total number of lone pairs of electrons in I3- is
(b) 3
(c) 6
(d) 9
Q11. Which among CO32-, SO3, XeO3 and NO3- have planer structure?
(b) SO3, XeO3, NO3-
(c) CO32-, XeO3, NO3-
(d) CO32-, SO3, NO3-
Ans KEY
1.b 2.d 3.a 4.a 5.a 6.c 7.b 8.a 9.c 10.d 11.d 12.a 13.c 14.b 15.c