The type of molecular forces of attraction present in the following compound is:

(a) Intermolecular H-bonding                   (b) Intramolecular H-bonding

(c) van der Waal's force                           (d) All of these

 

Concept Questions :-

Hydrogen Bonding
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The species showing pπ-dπ  overlapping is :

(a) NO3-

(b) PO43-

(c) CO32-

(d) NO2-

Concept Questions :-

Covalent Bonding
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Which of the following interaction lies in the range of 8 -  42 kJ/mol?

1. H2...H2O                               

2. HCl...HCI

3. H2O...HF                                 

4. all

Concept Questions :-

Hydrogen Bonding
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The number of antibonding electrons pairs in O22- on the basis of MO theory are:

(a) 4

(b) 3

(c) 2

(d) 5

 

Concept Questions :-

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If CdI2 is pink in colour, the CdCl2 will be '.............' coloured.

(a) yellow         

(b) red                 

(c) blue                   

(d) cannot be predicted

Concept Questions :-

Types of Bonding
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Which are true statements among the following?

(1) PH5 and BiCl5 does not exist 

(2) pπ-dπ bonds are present in SO2 

(3) Electrons travel with speed of light 

(4) SeF4 and CH4 has same changes 

(5) I3+ has bent geometry 

(a) 1,3 

(b) 1,2,5 

(c) 1,3,5

(d) 1,2,4 

Concept Questions :-

Hybridisation
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In which molecule all atoms are coplanar?

(a)CH4

(b) BF3

(c) PF3

(d) NH3

Concept Questions :-

Hybridisation
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Which species does not exist?

(a) SnCl62-

(b) GeCl62-

(c) CCl62-

(d) SiCl62-

Concept Questions :-

Hybridisation
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Which is paramagentic?

(a) Cl2O6

(b) Cl2O7

(c) Cl2O

(d) ClO2

Concept Questions :-

Covalent Bonding
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Greater the dipole moment:

(a) greater is the ionic nature 

(b) lesser the polarity 

(c) smaller is the ionic nature 

(d) none of these 

Concept Questions :-

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