MCQs on Chemical Bonding and Molecular Structure for NEET

Except for noble gases, no other elements occur independently. The attractive force by which atoms, ions and molecules are held together is known as a chemical bond. The atom has a tendency to gain stability by completing their octet. Oppositely charged ions are held together by an ionic bond. In a covalent bond electron pairs are shared. Molecules are held together by weak Van der Waal’s interaction in a crystalline structure.

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1. C-O bond length is minimum in

(a) CO2

(b) CO32-

(c) HCOO

(d) CO

Answer: (d)

2. Molecules are held together in a crystal by

(a) hydrogen bond

(b) electrostatic attraction

(c) Van der Waal’s attraction

(d) dipole-dipole attraction

Answer: (c)

3. Sp3d2 hybridization is present in [Co(NH3)63+], find its geometry

(a) octahedral geometry

(b) square planar geometry

(c) tetragonal geometry

(d) tetrahedral geometry

Answer: (a)

4. Find the molecule with the maximum dipole moment

(a) CH4

(b) NH3

(c) CO2

(d) NF3

Answer: (b)

5. MX6 is a molecule with octahedral geometry. How many X – M – X bonds are at 180°?

(a) four

(b) two

(c) three

(d) six

Answer: (c)

6. Find the pair with sp2 hybridisation of the central molecule

(a) NH3 and NO2

(b) BF3 and NH2

(c) BF3 and NO2

(d) NH2and H2O

Answer: (c)

7. The formal charge and P-O bond order in PO43- respectively are

(a) 0.6, -0.75

(b) -0.75, 1.25

(c) 1.0, -0.75

(d) 1.25, -3

Answer: (b)

8. Which of the molecules does not have a permanent dipole moment?

(a) SO3

(b) SO2

(c) H2S

(d) CS2

Answer: (d)

9. pℼ – dℼ bonding is present in which molecule

(a) SO32-

(b) CO32-

(c) NO3

(d) BO33-

Answer: (a)

10. Which one has a pyramidal shape?

(a) SO3

(b) PCl3

(c) CO32-

(d) NO3

Answer: (b)

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  1. very useful and interseting

  2. Very useful in JEE & NEET preparation


  4. Thanks sir these 10 questions are very useful. They cover all topic in chemical bonding