Chemistry Solved Objective Test Series: Chemical Bonding and Molecular Structure for NEET, IITJEE

 

Chemistryonline solved objective test series (MCQ) with hints helpful for preparing IITJEE, NEET, Engineering and Medical Entrance Exams, Dental, MBBS Admission Tests, Joint Entrance Exams, NEST and other competitions.

Chemistry Test Series (MCQ Practice Questions)
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Chemical Bonding and Molecular Structure

Syllabus:
Chemical combination; Kossel-Lewis Approach to Chemical Bonding; Lattice Energy; Covalent Bond; Octet Rule; Ionic and electrovalent Bond; Electrovalency; Covalency; Writing formula of an ionic compound; Coordinate Bond; Metallic Bond; Bond parameters - bond length, bond angle, bond enthalpy, bond order, resonance structures, polarity of bonds; The Valence Shell Electron Pair Repulsion (VSEPR) Theory; Valence Bond Theory; Geometry of molecules; Hybridisation; Molecular Orbital Theory; Bonding in some Homonuclear Diatomic Molecules; Hydrogen Bonding
Chemistry Test Series: Chemical Bonding and Molecular Structure
MCQ Test Series – Set 2 (Q. No.11-20)

Question 11: The attraction that non-polar molecules have for each other is primarily caused by –
a. Van der Waal’s forces
b. Difference in electronegativities
c. Hydrogen bonding
d. High ionisation energy

Question 12: The number of types of bonds between two carbon atoms in calcium carbide is:
a. One sigma, one pi
b. Two sigma, one pi
c. Two sigma, two pi
d. One sigma, two pi

Question 13: Which of the following species is diamagnetic in nature?
a. He2+
b. H2
c. H2+
d. H2-

Question 14: Which of the following molecules has the highest bond order?
a. O2-
b. O2
c. O2+
d. O22-

Question 15: Molten sodium chloride conducts electricity due to the presence of –
a. Free electrons
b. Free ions
c. Free molecules
d. Free atoms

Question 16: Which of the following have low lattice energy?
a. Cs-F
b. Cs-Cl
c. Cs-Br
d. Cs-I

Question 17: Which one is electron deficient compound?
a. ICl
b. BCl3
c. NH3
d. PCl3

Question 18: Which of the following is least ionic?
a. BeI2
b. BeCl2
c. BeBr2
d. BeF2

Question 19: The shape of sulphate ion is –
a. Tetrahedral
b. Square planar
c. Trigonal
d. Trigonal planar

Question 20: Which of the following has pπ – dπ bonding?
a. NO3-
b. SO32-
c. BO33-
d. CO32-



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