Given below are two statements: 

Assertion (A): Though the central atom of both NH3 and H2O molecules are sp3 hybridised, yet H-N-H bond angle is greater than that of H-O-H.
Reason (R): This is because nitrogen atom has one lone pair and oxygen atom has two lone pairs.

1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.

Subtopic:  V.S.E.P.R & V.B.T |
 87%
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Given below are two statements: 

Assertion (A): Among the two O-H bonds in H2O molecule, the energy required to break the first O-H bond and the other O-H bond is the same.
Reason (R): The electronic environment around oxygen is the same even after the breakage of one O-H bond.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Lattice & Hydration Energy |
 56%
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Given below are two statements: 

Assertion (A):  Sodium chloride, formed by the action of chlorine gas on sodium metal, is a stable compound.
Reason (R):  Sodium and chloride ions acquire octets in sodium chloride formation.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Ionic Bond |
 85%
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Match the shape of molecules in Column I with the type of hybridization in Column II.

Column I

Column II

A. Tetrahedral

1. sp2

B. Trigonal

2. sp

C. Linear

3. sp3

Codes

Options:  A   B   C 
1. 3 1 2
2. 1 2 3
3. 5 4 3
4. 4 5 3

       

      

Subtopic:  Hybridisation |
 94%
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Match the items given in Column I with examples given in Column II.

Column I

Column II

A. Hydrogen bond

1. C

B. Resonance

2. LiF

C. Ionic solid

3. H2

D. Covalent solid

4. HF

5. O3

Codes

Options:  A   B   C   D 
1. 2 3 4 1
2. 1 2 3 5
3. 5 4 3 2
4. 4 5 2 1

Subtopic:  Resonance & Nature of Compounds |
 92%
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Match the species in Column I with the bond order in Column II.

Column I

Column II

A. NO

1. 1.5

B. CO

2. 2.0

C. \(O_2^-\)

3. 2.5

D. O2

4. 3.0

Choose the correct option: 

Options:  A   B   C   D 
1. 3 4 1 2
2. 1 2 3 5
3. 5 4 3 2
4. 4 5 3 2

Subtopic:  M.O.T |
 87%
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Match the species in Column I with the shape in Column II.

Column I

Column II

A. H3O+

1. Linear

B. HCCH

2. Angular

C. ClO2-

3. Tetrahedral

D. NH4+

4. Trigonal bipyramidal

5. Pyramidal

Codes

Options:  A   B   C   D 
1. 5  1  2  3
2. 1  2  3  5
3. 5  4  3  2
4. 4  5  3  2

Subtopic:  Hybridisation | V.S.E.P.R & V.B.T |
 89%
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Match the species in Column I with the type of hybrid orbitals in Column II.

Column I

Column II

A. SF4

1. sp3d2

B. IF5

2. d2sp3

C. NO2+

3. sp3d

D. NH4+

4. sp3

5. sp

Codes:

Options:  A   B   C   D 
1. 3 1 5 4
2. 1 2 3 5
3. 5 4 3 2
4. 4 5 3 2

       

Subtopic:  Hybridisation | V.S.E.P.R & V.B.T |
 89%
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Match the compounds of Xe in Column I with the molecular structure in Column II.

Column-I Column-II
(a) XeF2 (i) Square planar
(b) XeF4 (ii) Linear
(c) XeO3 (iii) Square pyramidal
(d) XeOF4 (iv) Pyramidal
 
(a) (b) (c) (d)
1. (ii) (i) (iii) (iv)
2. (ii) (iv) (iii) (i)
3. (ii) (iii) (i) (iv)
4. (ii) (i) (iv) (iii)
Subtopic:  V.S.E.P.R & V.B.T |
 78%
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Match the coordination number and type of hybridization with the distribution of hybrid orbitals in space based on Valence bond theory.

Coordination number and type of hybridisation Distribution of hybrid orbitals in space
(a) 4, sp3 (i) Trigonal bipyramidal
(b) 4, dsp2 (ii) Octahedral
(c) 5, sp3d (iii) Tetrahedral
(d) 6, d2sp3 (iv) Square planar
 
(a) (b) (c) (d)
1. (ii) (iii) (iv) (i)
2. (iii) (iv) (i) (ii)
3. (iv) (i) (ii) (iii)
4. (iii) (i) (iv) (ii)
Subtopic:  Hybridisation |
 83%
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