Which has highest bond angle ?

(1) NH3

(2) H2O

(3) H2S

(4) PH3

Subtopic:  Hybridisation |
 61%
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The isostere pair is

1. CO2 and N2O

2. CO and N2

3. O2 and NO2

4. Both (1) and (2)

Subtopic:  Types of Chemical Bond |
 70%
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Select the correct order of solubility (in water) from the following:

1. SrSO4 < CaSO4 < MgSO4 < BeSO4

2. NaF < KF < RbF < CsF

3. Ba(OH)2 > Sr(OH)2 > Ca(OH)2 > Mg(OH)2

4 All of the above

Subtopic:  Lattice & Hydration Energy |
 66%
From NCERT
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Which of the following molecules exhibits H-bonding?

1. CH4 2. H2Se
3. N2H4 4. H2S
Subtopic:  van der Waal Force & Hydrogen Bonding |
 71%
From NCERT
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Compound that is isoelectronic with an adduct of "Diborane and Ammonia" is-

1. Hydrogen peroxide.

2. Diborane (at absolute zero temp.).

3. First member of alkyne series.

4. Diborane (at 10°C temp).

Subtopic:  Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
From NCERT
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Which of the following leads to bonding orbital?

1. 2.
3. 4.


 

Subtopic:  Hybridisation |
 63%
From NCERT
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Which of the following pairs share both isoelectronicity and isostructural characteristics?

NO3-, CO3-2, ClO3-, SO3

1. NO3-, CO3-2

2. SO3, NO3-

3. ClO3-, CO3-2

4. CO3-2, ClO3-

Subtopic:  Types of Chemical Bond |
 73%
From NCERT
NEET - 2016
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Which of the following has largest bond angle.

1. H2O

2. F2O

3. Cl2O

4. H2S

Subtopic:  M.O.T |
From NCERT
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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

Subtopic:  M.O.T |
 70%
From NCERT
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The correct order of H-bond strength in the following compounds is:

1. H2O > H2O2 > HF > H2S

2. HF >  H2O2 > H2O > H2S

3. HF > H2O > H2S > H2O2

4. HF > H2O > H2O2 > H2S

Subtopic:  van der Waal Force & Hydrogen Bonding |
From NCERT
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