The hybridisation of the  central  atom will change when: 

1. NH3 combines with H+

2. H3BO3combines with OH-

3. NH3 forms NH2-

4. H2O combines with H+

Subtopic:  Hybridisation |
 68%
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Species having maximum 'CIO' bond order is-

1. CIO3-                      
2. CIO3          
3. CIO2                        
4. CIO2-

Subtopic:  Polarity |
 56%
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Which of the following have X-O-X linkage?

(where X is Central atom)

(i) Cr2O72-                            (ii) S2O32-                       

(iii) Pyrosilicate                     (iv) Hyponitrous Acid

(1) (i) (iii)                                             

(2) (iii) (iv)

(3) (i) (iii) (iv)                                       

(4) (i) (ii)

Subtopic:  Types of Chemical Bond |
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Which bonds are formed by a carbon atom with sp2 - hybridization?

1. 4π - bonds

2. 2π - bonds and 2σ bonds

3. 1π-bonds and 3σ-bonds

4. 4δ - bonds

Subtopic:  Hybridisation |
 79%
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Which of the following species contains maximum number of atoms in 'XY' plane?

  1. XeF2         
2. SF6
3. IF3           
4. All

Subtopic:  Hybridisation |
 60%
From NCERT
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What is the hybridization of the carbon atoms labeled C1 and C2 respectively in glycine?

   C1             C2

1. sp2          sp2

2. sp2          sp3

3. sp3          sp2

4. sp            sp3

Subtopic:  Hybridisation |
 90%
From NCERT
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Choose the correct option for the following molecule:

                                            

1. Non planar   

2. μ0   

3. Both (1) and (2)     

4. μ=0

Subtopic:  Polarity |
 61%
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Select the correct statement:

(a)HSO5- ion has one SOH linkage

(b) Number of BOB linkages in Borax is equal to number of POP linkages in P4O10

(c) Hybridization of both sulphur on (H2S2O5) (pyrosulphurous acid) is name but oxidization state of both sulphur are different

(d) Tetra -Polyphosphoric has four POP and no PP linkage

Subtopic:  Hybridisation |
 51%
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The H-O-H bond angles in H3O+ are approximately 107°. The orbitals used by oxygen in these bond are best describe as: 

1. orbitals

2. sp hybrid orbitals

3. sp2 hybrid orbital

4. sp3 hybrid orbital

Subtopic:  Hybridisation |
 72%
From NCERT
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Which of the following molecular species is not linear?

(1) (CN)2                                                       

(2) OCN-

(3) XeF2                                                         

(4) S32-

Subtopic:  Hybridisation |
 64%
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