Chemical Bonding and molecular structure Multiple choice questions (MCQs) || Chemical bonding MCQs || Chapter 4 class 11 Chemistry MCQs ||
1. In which of the following, the bond angle between two covalent bonds is the maximum ? (a) H2O
(b) NH3
(c) CO2
(d) CH4
Ans : (c) CO2
2. The hybridisation of C involved in acetylene is
(a) s p²
(b) s p³
(c) s p
(d) d s p²
Ans: (c) s p
3. Which of the following is not correct resonating structure for carbon dioxide ?
(a) O=C=0
(b) O - C=0
(c) 0 - C =0
(d) O= C - O
Ans: (c) 0 - C =0
4. Which of the following has maximum covalent character?
(a) Li I
(b) Li F
(c) Li Cl
(d) Li Br.
Ans: (a) Li I
5. Which of the following exception to octet rule?
(a) BF3
(b) PF5
(c) CO2
(d) I F 7
Ans: (c) CO2
6. For which of the following hybridisation the bond angle is maximum ?
(a) s p²
(b) s p³
(c) s p
(d) d s p²
Ans: (c) s p
7. Which one has minimum dipole moment ?
(a) Butene-1
(b) cis-Butene-2
(c) trans-Butene-2
(d) 2-Methyl propene.
Ans: (c) trans-Butene-2
8. Which of the following has highest lattice energy?
(a) Li F
(b) Na F
(c) K F
(d) Rb F.
Ans: (a) Li F
9. Which of the following molecule has net dipole moment ?
(a) C Cl4
(b) C2H2
(c) BF3
(d) NH3
Ans: (d) NH3
10. Ratio of pi to sigma bonds in benzene is
(a) 1:2
(b) 1:6
(c) 1:4
(d) 1:1
Ans: (c) 1:4
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