Which of the following have a three dimensional network structure?

(1) SiO2

(2) (BN)y

(3) P4(white)

(4) 1 and 2 both

Concept Questions :-

Covalent Bonding
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The correct order of strength of H-bond in the following compound :-

(1) H2O > H2O2 > HF > H2S

(2) HF >  H2O2 > H2O > H2S

(3) HF > H2O > H2S > H2O2

(4) HF > H2O > H2O2 > H2S

Concept Questions :-

Hydrogen Bonding
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Which of the following pair of species have identical shapes ?

(1) NO2+ and NO2-

(2)PCl5 and BeF5

(3) XeF4 and ICI4-

(4) TeCl4 and XeO4

Concept Questions :-

Hybridisation
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Which of the following is correct :-

(1) Extent of hydration is PCl5 > SiCl4 and BCl3 < CCl4

(2) K+ ion will be more Hydrated than Li+

(3) In BCl3 there are no vacant d-orbitals but still it can undergo expansion

(4) None

Concept Questions :-

Lattice/Hydration Energy
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Carbon atom in C2(CN)4 are

1. sp hybridised

2. sp2 hybridised

3. sp and sp2 hybridised

4. sp, sp2 and sp3 hybridised

Concept Questions :-

Hybridisation
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The correct order in which the O-O bond length increases in the following is

1. H2O2 < O2 < O3

2. O3 < H2O < O2

3. O2 < O3< H2O2

4. O2 < H2O2 < O3

Concept Questions :-

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Carbon suboxide (C3O2) has

1. Linear structure

2. Bent structure

3. Trigonal structure

4. Disorted tetrahedral structure

Concept Questions :-

Types of Bonding
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In the molecular orbital diagram for O2+ ion. the HOMO is :-

(1) σ MO orbital

(2) π MO orbital

(3)  π* MO orbital

(4) σ* MO orbital

Concept Questions :-

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Which of the following has largest bond angle.

1. H2O

2. F2O

3. Cl2O

4. H2S

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Which of the following are isoelectronic and isostructural?

NO3-, CO3-2, ClO3-, SO3

(1) NO3-, CO3-2

(2) SO3, NO3-

(3) ClO3-, CO3-2

(4) CO3-2, ClO3-

Concept Questions :-

Types of Bonding
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