Among the following, the correct statements about CO32

a.

The hybridisation of the central atom is sp3

b.

Its resonance structure has one C-O single bond and two C=O double bonds

c.

The average formal charge on each oxygen atom is 0.67 units

d.

All C-O bond lengths are equal

Choose the correct option

1. (a), (b)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Subtopic:  Octate, Isoelectronic Species, Lewis Structure & Formal Charge | Resonance & Nature of Compounds | V.S.E.P.R & V.B.T |
 66%
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Diamagnetic species are those which contain no unpaired electrons. Among the following, diamagnetic species are

(a) N2

(b) N22-

(c) O2

(d) O22-

Choose the correct option

1. (a), (d) 2. (b), (c)
3. (c), (d) 4. (b), (d)
Subtopic:  M.O.T |
 78%
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Species have same bond order are

(a) N2

(b) N2-

(c) F2+

(d) O2-

Choose the correct option

1. (a), (d)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Subtopic:  M.O.T |
 80%
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The incorrect statements among the following are-

(a) NaCl being an ionic compound is a good conductor of electricity in the solid-state
(b) In canonical structure, there is a difference in the arrangement of atoms
(c) Hybrid orbitals form stronger bonds than pure orbitals
(d) VSEPR theory can explain the square planar geometry of XeF4
 
1. (a) and (b) only 2. (b) and (c) only
3. (c) and (d) only 4. (b) and (d) only
Subtopic:  Resonance & Nature of Compounds | V.S.E.P.R & V.B.T |
 69%
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Which of the following species have the same shape?

(a) CO2

(b) CCl4

(c) O3

(d) NO2-

Choose the correct option

1. (a), (b)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Subtopic:  Hybridisation | V.S.E.P.R & V.B.T |
 82%
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CO is isoelectronic with

(a) NO+

(b) N2

(c) SnCl2

(d) NO2-

Choose the correct option

1. (a), (b)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Subtopic:  Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
 90%
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Which of the following attain the linear structure?

(a) BeCl2

(b) NCO+

(c) NO2

(d) CS2

Choose the correct option

1. (a), (d)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Subtopic:  Octate, Isoelectronic Species, Lewis Structure & Formal Charge | V.S.E.P.R & V.B.T |
 86%
From NCERT
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Which of the following have identical bond order?

(a) CN-

(b) NO+

(c) O2-

(d) O22-

Choose the correct option

1. (a), (b)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Subtopic:  M.O.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): This is because the electronic environment around oxygen is the same even after 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 |
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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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