VITEEE PYQs for Atomic Masses And Composition Of Nucleus with Solutions: Practice VITEEE Previous Year Questions

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Atomic Masses And Composition Of Nucleus is an important topic in the Chemistry section in VITEEE exam. Practising this topic will increase your score overall and make your conceptual grip on VITEEE exam stronger.

This article gives you a full set of VITEEE PYQs for Atomic Masses And Composition Of Nucleus with explanations for effective preparation. Practice of VITEEE Chemistry PYQs including Atomic Masses And Composition Of Nucleus questions regularly will improve accuracy, speed, and confidence in the VITEEE 2026 exam.

VITEEE PYQs for Atomic Masses And Composition Of Nucleus with Solutions

1.
Which of the following is not a permissible arrangement of electrons in an atom?
- \( n = 5, l = 3, m = 0, s = +\frac{1}{2} \)
- \( n = 3, l = 2, m = -3, s = -\frac{1}{2} \)
- \( n = 3, l = 2, m = -2, s = -\frac{1}{2} \)
- \( n = 4, l = 0, m = 0, s = -\frac{1}{2} \)
View Solution
2.
The product(s) formed when diborane (\( B_2H_6 \)) is hydrolyzed is/are:
- \( B_2O_3 \) and \( H_3BO_3 \)
- \( B_2O_3 \) only
- \( H_3BO_3 \) and \( H_2 \)
- \( H_3BO_3 \) only
View Solution
3.
What is the number of moles in 18 g of water (\( \text{H}_2\text{O} \))?
- 1 mol
- 0.5 mol
- 2 mol
- 0.25 mol
View Solution
4.
Which of the following has correct increasing basic strength?
- \( {MgO} < {BeO} < {CaO} < {BaO} \)
- \( {BeO} < {MgO} < {CaO} < {BaO} \)
- \( {BaO} < {CaO} < {MgO} < {BeO} \)
- \( {CaO} < {BaO} < {BeO} < {MgO} \)
View Solution
5.
An element X has a body-centred cubic (bcc) structure with a cell edge of 200 pm. The density of the element is 5 g cm\(^{-3}\). The number of atoms present in 300g of the element X is:
Given: Avogadro Constant, \( N_A = 6.0 \times 10^{23} \) mol\(^{-1} \).
- \( 5N_A \)
- \( 6N_A \)
- \( 15N_A \)
- \( 25N_A \)
View Solution
6.
In Clemmensen reduction, carbonyl compounds are treated with:
- Zinc amalgam + HCl
- Sodium amalgam + HCl
- Zinc amalgam + Nitric acid
- Sodium amalgam + HNO\(_3\)
View Solution
7.
The order of increasing sizes of atomic radii among the elements O, S, Se, and As is:
- As < S < O < Se
- Se < S < As < O
- O < S < As < Se
- O < S < Se < As
View Solution
8.
What is the molar mass of \( \text{NaCl} \)?
- 58 g/mol
- 60 g/mol
- 62 g/mol
- 56 g/mol
View Solution
9.
The rate law for a reaction between the substances A and B is given by: \[ {Rate} = k[A]^m[B]^n \] On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be:
- \( (m + n) \)
- \( (n - m) \)
- \( 2^{(n - m)} \)
- \( \frac{1}{2^{(m + n)}} \)
View Solution
10.
Among the following, the species having the smallest bond order is:
- \( {NO}^- \)
- \( {NO}^+ \)
- \( {O}_2 \)
- \( {NO} \)
View Solution
11.
Arrange the following in increasing order of ionic radii: \( C^{4-}, N^{3-}, F^{-}, O^{2-} \).
- \( C^{4-}<N^{3-}<O^{2-}<F^{-} \)
- \( N^{3-}<C^{4-}<O^{2-}<F^{-} \)
- \( F^{-}<O^{2-}<N^{3-}<C^{4-} \)
- \( O^{2-}<F^{-}<N^{3-}<C^{4-} \)
View Solution
12.
Boric acid is polymeric due to:
- its acidic nature
- the presence of hydrogen bonds
- its monobasic nature
- its geometry
View Solution

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VITEEE PYQs for Atomic Masses And Composition Of Nucleus with Solutions: Practice VITEEE Previous Year Questions

VITEEE PYQs for Atomic Masses And Composition Of Nucleus with Solutions

1.
Which of the following is not a permissible arrangement of electrons in an atom?

2.
The product(s) formed when diborane (\( B_2H_6 \)) is hydrolyzed is/are:

3.
What is the number of moles in 18 g of water (\( \text{H}_2\text{O} \))?

4.
Which of the following has correct increasing basic strength?

5.
An element X has a body-centred cubic (bcc) structure with a cell edge of 200 pm. The density of the element is 5 g cm\(^{-3}\). The number of atoms present in 300g of the element X is:
Given: Avogadro Constant, \( N_A = 6.0 \times 10^{23} \) mol\(^{-1} \).

6.
In Clemmensen reduction, carbonyl compounds are treated with:

7.
The order of increasing sizes of atomic radii among the elements O, S, Se, and As is:

8.
What is the molar mass of \( \text{NaCl} \)?

9.
The rate law for a reaction between the substances A and B is given by: \[ {Rate} = k[A]^m[B]^n \] On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be:

10.
Among the following, the species having the smallest bond order is:

11.
Arrange the following in increasing order of ionic radii: \( C^{4-}, N^{3-}, F^{-}, O^{2-} \).

12.
Boric acid is polymeric due to:

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VITEEE PYQs for Atomic Masses And Composition Of Nucleus with Solutions

1.Which of the following is not a permissible arrangement of electrons in an atom?

2.The product(s) formed when diborane (\( B_2H_6 \)) is hydrolyzed is/are:

3.What is the number of moles in 18 g of water (\( \text{H}_2\text{O} \))?

4.Which of the following has correct increasing basic strength?

5.An element X has a body-centred cubic (bcc) structure with a cell edge of 200 pm. The density of the element is 5 g cm\(^{-3}\). The number of atoms present in 300g of the element X is: Given: Avogadro Constant, \( N_A = 6.0 \times 10^{23} \) mol\(^{-1} \).

6.In Clemmensen reduction, carbonyl compounds are treated with:

7.The order of increasing sizes of atomic radii among the elements O, S, Se, and As is:

8.What is the molar mass of \( \text{NaCl} \)?

9.The rate law for a reaction between the substances A and B is given by: \[ {Rate} = k[A]^m[B]^n \] On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be:

10.Among the following, the species having the smallest bond order is:

11.Arrange the following in increasing order of ionic radii: \( C^{4-}, N^{3-}, F^{-}, O^{2-} \).

12.Boric acid is polymeric due to:

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1.
Which of the following is not a permissible arrangement of electrons in an atom?

2.
The product(s) formed when diborane (\( B_2H_6 \)) is hydrolyzed is/are:

3.
What is the number of moles in 18 g of water (\( \text{H}_2\text{O} \))?

4.
Which of the following has correct increasing basic strength?

5.
An element X has a body-centred cubic (bcc) structure with a cell edge of 200 pm. The density of the element is 5 g cm\(^{-3}\). The number of atoms present in 300g of the element X is:
Given: Avogadro Constant, \( N_A = 6.0 \times 10^{23} \) mol\(^{-1} \).

6.
In Clemmensen reduction, carbonyl compounds are treated with:

7.
The order of increasing sizes of atomic radii among the elements O, S, Se, and As is:

8.
What is the molar mass of \( \text{NaCl} \)?

9.
The rate law for a reaction between the substances A and B is given by: \[ {Rate} = k[A]^m[B]^n \] On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be:

10.
Among the following, the species having the smallest bond order is:

11.
Arrange the following in increasing order of ionic radii: \( C^{4-}, N^{3-}, F^{-}, O^{2-} \).

12.
Boric acid is polymeric due to: