Which of the following species contains three bond pairs and one lone pair around the central atom?

1. H2O

2. BF3

3. NH-2

4. PCl3

Subtopic:  Hybridisation |
 84%
From NCERT
AIPMT - 2012
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The pair of species with the same bond order is:

1. O22-, B2

2. O2+, NO+

3. NO, CO

4. N2,O2

Subtopic:  M.O.T |
 71%
From NCERT
AIPMT - 2012
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Which of the two ions from the list given below have the geometry that is explained by the same hybridisation of orbitals, NO2-,NO3-,NH2-,NH4-,SCN- ?

1.  NH4- and NO3-

2.  SCN- and NH2-

3.  NO2- and NH2-

4.  NO2- and NO3-

Subtopic:  Hybridisation |
 61%
From NCERT
AIPMT - 2011
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Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conductivity decreases with temperature and has a high melting point?

1. Metallic bonding

2. Van der Waals' bonding

3. Ionic bonding

4. Covalent bonding

Subtopic:  Types of Chemical Bond |
 53%
From NCERT
AIPMT - 2010
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In which of the following pairs of molecules/ions, the central atoms have sphybridization?

1. NO2- and NH3

2. BF3 and NO2-

3. NH2-and H2O

4. BF3 and NH2-

Subtopic:  Hybridisation |
 81%
From NCERT
AIPMT - 2010
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A molecule/ion among the following species that does not exist under normal conditions is:

1. \(Be^+_2\)
2. \(Be_2\)
3. \(B_2\)
4. \(Li_2\)

Subtopic:  M.O.T |
 74%
From NCERT
AIPMT - 2010
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The correct order of increasing bond angles in the following species is:

1. \(C l_{2} O < C l O_{2} < C l O_{2}^{-}\)

2. \(C l O_{2} < C l_{2} O < C l O_{2}^{-}\)

3. \(C l_{2} O < C l O_{2}^{-} < C l O_{2}\)

4. \(C l O_{2}^{-} < C l_{2} O < C l O_{2}\)

Subtopic:  Hybridisation |
 50%
AIPMT - 2010
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The correct state of hybridisation of C2, C3, C5 and Cof the hydrocarbon 


 is in the sequence:
1. sp, sp3, sp2 and sp3
2. sp3, sp2, sp2 and sp
3. sp, sp2, sp2 and sp3
4. sp, sp2, sp3 and sp2

Subtopic:  Hybridisation |
 87%
From NCERT
AIPMT - 2009
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The correct order of increasing bond order among the given is -

1. O2- < NO < C22- < He2+

2. NO < C22- < O2- < He2+

3. C22- < He2+ < NO < O2-

4. He2+ < O2- < NO < C22-

Subtopic:  M.O.T |
 84%
From NCERT
AIPMT - 2008
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The correct order of C-O bond length among CO, CO32- , CO2 is:

1. CO2<CO32-<CO

2. CO<CO32-<CO2

3. CO32-<CO2<CO

4. CO<CO2<CO32-

Subtopic:  Types of Chemical Bond |
 63%
From NCERT
AIPMT - 2007
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