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Chemistry Objective Test Questions with Solutions: Chemical Bonding and Molecular Structure


Chemistry online fully solved (test series) practice questions (MCQ) helpful for preparing IITJEE, NEET, Engineering and Medical Entrance Exams, Dental, MBBS Admission Tests, Joint Entrance Exams, NEST and other competitions.

India Study Solution Chemistry Test Series (MCQ Practice Questions)

Chemical Bonding and Molecular Structure

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 1 (Q. No. 1-10)

Question 1: Tendency of I-, Br-, Cl- and F- to be oxidised is in order:
a. I- > Br- > Cl- > F-
b. I- < Br- < Cl- < F-
c. I- < Cl- > F- > Br-
d. I- = Br- > Cl- = F-

Question 2: Some statements about valence bond theory are given below –
a. The strength of bond depends upon extent of overlapping
b. The theory explains the directional nature of covalent bond
c. According to this theory oxygen molecule is paramagnetic in nature
(1) All are correct   (2) Only a and c   (3) Only a and b are correct   (4) All are wrong

Question 3: Which has maximum covalent character?
a. NaCl
b. SiCl4
c. AlCl3
d. MgCl2

Question 4: The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic number 16 is –
a. 2
b. 3
c. 4
d. 1

Question 5: The correct order regarding the electronegativity of hybrid orbitals of carbon is –
a. sp < sp2 < sp3
b. sp > sp2 < sp3
c. sp > sp2 > sp3
d. sp < sp2 > sp3

Question 6: The electronegativity of O, F, N, Cl and H are 3.5, 4.0, 3.2, 3.0 and 2.1 respectively. The strongest bond will be:
a. F-O
b. O-Cl
c. N-H
d. O-H

Question 7: When two atoms of chlorine combine to form one molecule of chlorine gas, the energy of the molecule is –
a. Greater than that of separate atoms
b. Equal to that of separate atoms
c. Lower than that of separate atoms
d. None of these

Question 8: Which of the following species is not correctly matched with its geometry according to the VSEPR theory?
a. BrF6+ → octahedral
b. SnCl5- → trigonal bipyramidal
c. ClF2- → linear
d. IF4+ → T-shape

Question 9: Variable valency is shown by:
a. s-block elements
b. d-block elements
c. p- and d-block elements
d. all elements

Question 10: Covalent compounds are generally soluble in –
a. Polar solvents
b. Non-polar solvents
c. Concentrated acids
d. All solvents

Chemical Bonding and Molecular Structure - More Objective Questions with Answers

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