Which one of the following is not paramagnetic ?

1. NO

2. N2+

3. CO

4. O2-

Subtopic:  M.O.T |
 68%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The angular shape of ozone molecule (O3) consists of 

1. 1 sigma and 2 pi-bonds

2. 2 sigma and 2 pi-bonds

3. 1 sigma and 1 pi-bonds

4. 2 sigma and 1 pi-bonds

Subtopic:  Covalent Bond |
 72%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In which of the following molecules are all the bonds not equal?

1. ClF3

2. BF3

3.  PF3

4. NF3

Subtopic:  Hybridisation |
 65%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

According to molecular orbital theory, arrange the nitrogen species in each list in ascending order of bond order:

1. N2- < N2 < N22-

2. N22- < N2- < N2

3. N2 < N22- <N2-

4. N2- < N22- < N2

Subtopic:  M.O.T |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which one of the following is planar ?

1. XeF4

2. XeO4

3. XeO3

4. XeO3F2

Subtopic:  Hybridisation |
 68%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The dielectric constant of H2O is 80. The electrostatic force of attraction between Na+ and Cl- will be

1. reduced to 140 in water than in air

2. reduced to 180 in water than in air

3. will be increased to 80 in water than in air

4. will remain unchanged

Subtopic:  Ionic Bond |
 65%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following statement is not correct from the view point of molecular orbital theory ?

1. Be2 is not a stable molecule

2. He2 is not a stable but He2+ is expected to exist.

3. Bond strength of N2 is maximum amongst the homonuclear diatomic molecules belonging to the second period.

4. The order of energies of molecular orbitals in N2 molecule is

 s2s < s*2s < s2pz < (p2px=p2py) < (p*2px=p*2py) < s*2pz  

Subtopic:  M.O.T |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

PCl5 is highly unstable and in a solid-state, it exists as into  [PCl4]and [PCl6]ions.

The geometry of [PCl6]- is   

1. Octahedral

2. Tetrahedral

3. Square pyramidal

4. Square planar

Subtopic:  Hybridisation |
 79%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following species has maximum number of lone-pair of electrons on the central atom ?

1. XeF2

2. H3O+

3. XeF4

4. XeF6

Subtopic:  Hybridisation |
 88%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The number of sigma bonds in P4O10 is 

1. 6

2. 16

3. 20

4. 7

Subtopic:  Covalent Bond |
 82%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints