which is the incorrect about bond angles ?

1. NH3 > NF3

2. NF3 <  PF3

3. NH3 > PH3

4. NH3 > H2O

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Which molecules/ions are most paramagnetic?

1. B2

2. C2

3. O2+

4. O2-

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In which case observed dipole moment is greater than theoretical dipole moment?

1.

2.

3.

4.

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Which has linear shape but not sp hibridisation ?

(1) XeF2

(2) I3-

(3) CO2

(4) Both 1 and 2

Concept Questions :-

Hybridisation
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Which of the following structure is most expected for the molecule XeOF4 ?

(1) Tetrahedral

(2) Square pyramid

(3) Square planar

(4) Octahedral

Concept Questions :-

Hybridisation
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Which has highest bond energy ?

1. CO

2. CO+

3. N2

4. N2+

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Which has highest bond angle ?

(1) NH3

(2) H2O

(3) H2S

(4) PH3

Concept Questions :-

Hybridisation
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Which is mismatched regarding the shape ?

(1) XeF4 = Square planar

(2) XeOF4 = Square Pyramidal

(3) XeF6 = Distorted Octahedral

(4)XeO3 = Bent Shape

 

Concept Questions :-

Hybridisation
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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)

 

Concept Questions :-

Types of Bonding
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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 these

Concept Questions :-

Lattice/Hydration Energy
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