In which of the following pairs, both the species are not isostructural?

1. SiCl4, PCl4+

2. Diamond, silicon carbide

3. NH3, PH3

4. XeF4, XeO4

Subtopic:  Hybridisation |
 68%
NEET - 2015
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Decreasing order of stability of O2, O2-, O2+ and O22- is

1. O2+ > O2 > O2- > O22-

2. O22- > O2- > O2 > O2+

3. O2 > O2+ > O22- > O2-

4. O2- > O22- > O2+ > O2

Subtopic:  M.O.T |
 74%
NEET - 2015
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Aqueous solution of which of the following compounds is the best conductor of electric

current?

1. Acetic acid, C2H4O2

2. Hydrochloric acid, HCl

3. Ammonia, NH3

4. Fructose, C6H12O6

Subtopic:  Acidic, Basic Character & Fajan's Rule |
 79%
From NCERT
NEET - 2015
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A molecule having the maximum dipole moment among the following is -

1. CO2

2. CH4

3. NH3

4. NF3

Subtopic:  Polarity |
 77%
From NCERT
NEET - 2014
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Which among the following species has a triangular planar shape?

1. N3- 2. NO3-
3. NO2- 4. CO2
Subtopic:  V.S.E.P.R & V.B.T |
 73%
From NCERT
NEET - 2014
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Dipole-induced dipole interactions are present in which of the following pairs?

1. H2O and alcohol                       

2. Cl2 and CCl4

3. HCl and He atoms                     

4. SiF4 and He atoms

Subtopic:  Polarity |
 57%
NEET - 2013
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Paramagnetic species among the following is:

1. CO               

2. O2-

3. CN              

4. NO+

Subtopic:  M.O.T |
 85%
From NCERT
NEET - 2013
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The correct order of solubility in an aqueous medium is: 

1. CuS > ZnS > Na2S

2. ZnS > Na2S > CuS

3. Na2S > CuS > ZnS

4. Na2S > ZnS > CuS

Subtopic:  Acidic, Basic Character & Fajan's Rule | Lattice & Hydration Energy |
NEET - 2013
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XeF2 is isostructural with : 

1. TeF2

2. ICI2-

3. SbCl3

4. BCl3

Subtopic:  Hybridisation | V.S.E.P.R & V.B.T |
 86%
From NCERT
NEET - 2013
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Which one of the following molecules contain no π -bond?

1. CO2

2. H2O

3. SO2

4. NO2

Subtopic:  Covalent Bond |
 85%
NEET - 2013
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