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MCQ Questions for Class 11 Chemistry with Answers
Q1. The hybrid state of sulphur in SO2 molecule is :
(i) sp²
(ii) sp³
(iii) sp
(iv) sp³d
(i) sp²
Q2. Maximum bond angle is present in case of
(i) BBr3
(ii) BCl3
(iii) BF3
(iv) Same in all
(iv) Same in all
Q3. The number of nodal planes present in s × s antibonding orbitals is
(i) 1
(ii) 2
(iii) 0
(iv) 3
(i) 1
Q4. In the formation of a molecule which of the following take part in chemical combination?
(i) valence electron
(ii) cation
(iii) anion
(iv) inner shell electron
(i) valence electron
Q5. The state of hybridization of the central atom and the number of lone pairs over the central atom in POCl3 are
(i) sp, 0
(ii) sp², 0
(iii) sp³, 0
(iv) dsp², 1
(iii) sp³, 0
Q6. Number of π bonds in Naphthalene is
(i) 6
(ii) 3
(iii) 4
(iv) 5
(iv) 5
Q7. Which one of the following does not have sp² hybridised carbon?
(i) Acetone
(ii) Acetic acid
(iii) Acetonitrile
(iv) Acetamide
(iii) Acetonitrile
Q8. Cation and anion combines in a crystal to form following type of compound
(i) ionic
(ii) covalent
(iii) metallic
(iv) dipole-dipole
(i) ionic
Q9. Which one of the following does not have sp² hybridised carbon?
(i) Acetone
(ii) Acetic acid
(iii) Acetonitrile
(iv) Acetamide
(iii) Acetonitrile
Q10. In a double bond connecting two atoms there is a sharing of
(i) 2 electrons
(ii) 4 electrons
(iv) 1 electron
(iv) all electrons
(ii) 4 electrons
Q11. Which of the following will have the lowest boiling point?
(i) 2-MethylButane
(ii) 2-MethylPropane
(iii) 2,2-Dimethylpropane
(iv) n-Pentane
(iv) n-Pentane
Q12. When a metal atom combines with non-metal atom, the non-metal atom will
(i) gain electrons and increase in size
(ii) gain electrons and increase in size
(iii) lose electrons and increase in size
(iv) lose electrons and decrease in size
(i) gain electrons and increase in size
Q13. Which of the following structures will have a bond angle of 120° around the central atom?
(i) Linear
(ii) Tetrahedral
(iii) Triangular
(iv) Square planar
(iii) Triangular
Q14. Sulphuric acid provides a simple example of
(i) Coordinate bonds
(ii) non-covalent compound
(iii) non-covalent ion
(iv) none of these
(i) Coordinate bonds
Q15. Among the following mixtures, dipole-dipole as the major interaction, is present in
(i) benzene and ethanol
(ii) acetonitrile and acetone
(iii) KCl and water
(iv) benzene and carbon tetrachloride
(ii) acetonitrile and acetone
Q16. The lowest energy structure is the one with the __ formal charges on the atoms.
(i) smallest
(ii) highest
(iii) zero
(iv) negative
(i) smallest
Q17. Based on lattice enthalpy and other considerations which one the following alkali metals chlorides is expected to have the higher melting point?
(i) RbCl
(ii) KCl
(iii) NaCl
(iv) LiCl
(iii) NaCl
Q18. Main axis of a diatomic molecule is Z. Atomic orbitals px and py overlap to form which of the following orbital?
(i) π-molecular orbital
(ii) σ-molecular orbital
(iii) δ-molecular orbital
(iv) no bond will form
(iv) no bond will form
Q19. Which of the following types of hybridisation leads to three dimensional geometry of bonds around the carbon atom?
(i) sp
(ii) sp²
(iii) sp³
(iv) None of these
(ii) sp²
Q20. Which of the following methods is used for measuring bond length ?
(i) All of these
(ii) Spectroscopic techniques
(iii) Electron-diffraction
(iv) X-ray diffraction
(i) All of these
Q21. The weakest interparticle forces are found in which of the following?
(i) Ionic Solids
(ii) Metallic Solids
(iii) Molecular Solids
(iv) All types of solids are equal in terms of interparticle forces.
(iii) Molecular Solids
Q22. The number of types of bonds between two carbon atoms in calcium carbide is
(i) Two sigma, two pi
(ii) One sigma, two pi
(iii) One sigma, one pi
(iv) Two sigma, one pi
(ii) One sigma, two pi
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MCQ Questions for Class 11 Chemistry Chapter wise with Answers
- Lesson 1. Some Basic Concepts of Chemistry Class 11 MCQ Questions
- Lesson 2. Structure of Atom Class 11 MCQ Questions
- Lesson 3. Classification of Elements and Periodicity in Properties Class 11 MCQ Questions
- Lesson 4. Chemical Bonding and Molecular Structure Class 11 MCQ Questions
- Lesson 5. States of Matter Class 11 MCQ Questions
- Lesson 6. Thermodynamics Class 11 MCQ Questions
- Lesson 7. Equilibrium Class 11 MCQ Questions
- Lesson 8. Redox Reactions Class 11 MCQ Questions
- Lesson 9. Hydrogen Class 11 MCQ Questions
- Lesson 10. The s-Block Elements Class 11 MCQ Questions
- Lesson 11. The p-Block Elements Class 11 MCQ Questions
- Lesson 12. Organic Chemistry: Some Basic Principles and Techniques Class 11 MCQ Questions
- Lesson 13. Hydrocarbons Class 11 MCQ Questions
- Lesson 14. Environmental Chemistry Class 11 MCQ Questions