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Q. No.

Match the species in Column I with the shape in Column II.

Column I

Column II
A.

H3O+

 1.

Linear
B.

HC≡CH

 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%
Level 1: 80%+
Hints

Match the species in Column-I with the bond order in Column-II.

Column-I
(Species)

Column-II
(Bond order)
A.

NO

 (i).

1.5
B.

CO

 (ii).

2.0
C. 

\(O_2^-\)

 (iii).

2.5
D.

O2

 (iv).

3.0

Choose the correct option: 

Options:  A   B   C   D 
1. (iii) (iv) (i) (ii)
2. (i) (ii) (iii) (iv)
3. (i) (iv) (iii) (ii)
4. (iv) (i) (iii) (ii)
Subtopic:  M.O.T |
 87%
Level 1: 80%+
Hints

Match the items given in Column I with examples given in Column II.

Column I (type of Bonds)

Column II
(Molecules)
A.

Hydrogen bond

 1.

Carbon
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%
Level 1: 80%+
Hints
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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 |
 83%
Level 1: 80%+
Hints

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 |
 89%
Level 1: 80%+
Hints

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%
Level 1: 80%+
Hints
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Which of the following compounds shows the strongest hydrogen bonding?

1. HCl

2. H2O

3. HI

4. H2S

Subtopic:  van der Waal Force & Hydrogen Bonding |
 84%
Level 1: 80%+
Hints

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 |
 85%
Level 1: 80%+
NEET - 2020
Hints

Which of the following pairs of oxygen species and their magnetic behaviour is correct?

1. O, O22- - Both paramagnetic
2. O2-, O22- - Both diamagnetic
3. O+, O22- - Both paramagnetic
4. O2+, O2 - Both paramagnetic

Subtopic:  M.O.T |
 84%
Level 1: 80%+
AIPMT - 2011
Hints
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In which of the following molecules the central atom does not have sp3 hybridization?

1. SF4

2. BF4-

3. NH4+

4. CH4

Subtopic:  Hybridisation |
 84%
Level 1: 80%+
AIPMT - 2010
Hints
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