Which property or properties of metals can be accounted for by the electron sea model?

l.  Electrical conductivity

ll. Malleability

1.  l only

2.  ll only

3.  Both l and ll

4.  Neither l nor ll

Subtopic:  Types of Chemical Bond |
 63%
Please attempt this question first.
Hints

What is the principal energetic factor in the lack of miscibility between C6H14l and H2Ol?

1.  The strength of intermolecular forces of attraction between C6H14l molecules

2.  The strength of intermolecular forces of attraction between H2Ol molecules

3.  The differences between the molecular weights of the molecules

4.  The difference in electronegativity between carbon and hydrogen

 

Subtopic:  van der Waal Force & Hydrogen Bonding |
 68%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The value of 'x' in NH42 FeSO4x.6H2O is

1.  1

2.  2

3. 3

4.  4

Subtopic:  Introduction to Redox and Oxidation Number |
 67%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

The correct structure of ClF3is

1.  

2.  

3.  

4.  

Subtopic:  Hybridisation |
 77%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Select the correct statement regarding XeO2F2 among the folowing.

a.  Xe is sp3d hybridised.

b.  4 bond pairs and 1 lone pair are present around Xe.

c.  Shape of XeO2F2 is square pyramidal.

d.  Contains -pπ bonds.

1.  a and b

2.  a,  and d

3.  a, b and d

4.  b, c and d

Subtopic:  Hybridisation |
 57%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Consider the given box

The total number of compounds having expanded octet around the central atom is

1.  2

2.  4

3.  2

4.  3

Subtopic:  Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
 73%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Which of the following atomic orbitals will show zero overlaps? (consider x-axis as the molecular axis)

1.  Px, Px

2.  Py, Py

3.  Py, Pz

4.  Px, s

Subtopic:  Covalent Bond |
 73%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The lattice energies of NaCl, NaF, KCl, and RbCl follow the order:

1.  KCl < RbCl < NaCl < NaF

2.  NaF < NaCl < KCl < RbCl

3.  RbCl < KCl < NaCl < NaF

4.  NaCl < RbCl < NaF < KCl

Subtopic:  Lattice & Hydration Energy |
 78%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The molecule that has maximum covalent character

1.  NaH

2.  Na2S

3.  CaCl2

4.  SnCl4

Subtopic:  Covalent Bond |
 70%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

The species in which the central atom uses sp2 hybrid orbitals is

1.  PH3

2.  NH3

3.  CH3+

4.  SbH3

Subtopic:  Hybridisation |
 87%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints