VSEPR Theory MCQs Chemical Bonding MCQs for CSIR NET, GATE - Download PDF

VSEPR Theory MCQ Questions
for CSIR UGC NET & GATE 

Chemical Bonding
Topic wise Assignment-4

QUIZ              PDF

Q1. The correct shape of [TeF₅]^- ion on the bases of VSEPR theory is

[NET June 2016]

(a) Trigonal bipyramidal
(b) Square pyramidal
(c) Pentagonal planer
(d) See-Saw

Q2. The number of triangular faces in square antiprism, icosahedron and tricapped triagonal prism (capped on square faces) respectively are

[NET Dec 2016]

(a) 8, 20, 14
(b) 8, 20, 12
(c) 10, 12, 14
(d) 10, 12, 12

Q3. The number of 3c-2e bonds present in Al(BH₄)₃ is

[NET June 2016]

(a) 4
(b) 3
(c) 6
(d) 0

Q4. The oxidation state of gold in the following complex is

[NET Dec 2016]

(a) 0
(b) 1
(c) 2
(d) 3

Q5. The compound (SiH₃)₃N is expected to be

[GATE 2000]

(a) Pyramidal and more basic than (CH₃)₃N
(b) Planer and less basic than (CH₃)₃N
(c) Pyramidal and less basic than (CH₃)₃N
(d) Planer and more basic than (CH₃)₃N

Q6. The hybrid orbitals used by bromine atom in BrF₃ are

[GATE 2001]

(a) sp²
(b) sp³
(c) sp³d
(d) sp³d²

Q7. The species which has a square planer structure is

[GATE 2002]

(a) BF₄^-
(b) FeCl₄^-
(c) SF₄
(d) XeF₄

Q8. The structures of O₃ and N₃^- are

[GATE 2002]

(a) linear and bent respectively
(b) both linear
(c) both bent
(d) bent and linear respectively

Q9. The Xenon compounds that are isostructural with IBr₂^- and BrO₃^- respectively are

[GATE 2003]

(a) Linear XeF₂ and Pyramidal XeO₃
(b) Bent XeF₂ and Pyramidal XeO₃
(c) Bent XeF₂ and planer XeO₃
(d) Linear XeF₂ and Tetrahedral XeO₃

Q10. [XeO₆]^4- is octahedral whereas XeF₆ is a disordered one because

[GATE 2006]

(a) fluorine is more electronegative than oxygen
(b) Xe has a lone pair in XeF₆
(c) XeF₆ is neutral whereas [XeO₆]^4- is anionic
(d) Xe-F bond has more ionic character

Q11. The pair of compounds having same hybridization for the central atom is
(a) XeF₄ and [SiF₆]^2-
(b) [NiCl₄]^2- and [PtCl₄]^2-
(c) Ni(CO)₄ and XeO₂F₂
(d) [Co(NH₃)₆]³⁺ and [Co(H₂O)₆]³⁺

Q12. The geometry around central atom in ClF₄⁺
(a) square planer
(b) square pyramidal
(c) octahedral
(d) trigonal bipyramidal

Q13. According to VSEPR theory, the shape of [XeOF₅]^- is

[GATE 2010]

(a) octahedral
(b) trigonal bipyramidal
(c) square pyramidal
(d) pentagonal pyramidal

Q14. According to VSEPR theory, the shapes of [SF₂Cl]⁺ and [S₂O₄]^2- should be

[GATE 2011]

(a) trigonal planer for [S₂O₄]^2- and trigonal pyramidal for [SF₂Cl]⁺
(b) both trigonal planer
(c) trigonal pyramidal for [S₂O₄]^2- and trigonal planer for [SF₂Cl]⁺
(d) both trigonal pyramidal

Q15. The order of polarity of NH₃, NF₃ and BF₃ is

[GATE 2012]

(a) NH₃ < NF₃ < BF₃
(b) BF₃ < NF₃ < NH₃
(c) BF₃ < NH₃ < NF₃
(d) NF₃ < BF₃ < NH₃

Q16. The compound with planer geometry is

[GATE 2015]

(a) N(tBu)₃
(b) NPh₃
(c) NF₃
(d) N(SiH₃)₃

Ans Key

1.b 2.a 3.c 4.c 5.b 6.c 7.d 8.d 9.a 10.b 11.a,d 12.d 13.d 14.d 15.b 16.d


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