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College Entrance	Jamia Millia Islamia Aligarh Muslim University Banaras Hindu University

2021

Q21
Fluorine does not exhibit variable oxidation states due to

Solution

Q22
The formation of O₂⁺ [PtF₆]⁻ is the basis for the formation of Xenon fluoride. This is because

Solution

Q23
Chlorobenzene reacts with Cl₂ in the presence of FeCl₃ giving ortho and para chloro compounds. The reaction is

Solution

Q24
Phenol is more acidic than ethanol because

Solution

Q25
Which of the following statements is not correct about amorphous solids?

Solution

Q26
Section-B

Solution

Q27
An element with a molar mass of 96 g mol⁻¹ forms a cubic unit cell with an edge length of 4 × 10⁻⁸cm. If the density is 10 g cm⁻³, the nature of the unit cell is (NA = 6 × 10²³ mol⁻¹)

Solution

Q28
When 2.5 g of a non-volatile solute was dissolved in 50 mL of water, it gave a boiling point elevation of 0.52 °C. The molar mass of the solute is (Kb for water = 0.52 K/m)

Solution

Q29
Which of the following gas is released on heating ammonium dichromate (NH₄)₂Cr₂O₇?

Solution

Q30
On its reaction with water and alkalies, the behaviour of SO₂(g) is very similar to that of which gas?

Solution

Subjects

2021

Q21 Fluorine does not exhibit variable oxidation states due to

Solution

Q22 The formation of O₂⁺ [PtF₆]⁻ is the basis for the formation of Xenon fluoride. This is because

Solution

Q23 Chlorobenzene reacts with Cl₂ in the presence of FeCl₃ giving ortho and para chloro compounds. The reaction is

Solution

Q24 Phenol is more acidic than ethanol because

Solution

Q25 Which of the following statements is not correct about amorphous solids?

Solution

Q26 Section-B

Solution

Q27 An element with a molar mass of 96 g mol⁻¹ forms a cubic unit cell with an edge length of 4 × 10⁻⁸cm. If the density is 10 g cm⁻³, the nature of the unit cell is (NA = 6 × 10²³ mol⁻¹)

Solution

Q28 When 2.5 g of a non-volatile solute was dissolved in 50 mL of water, it gave a boiling point elevation of 0.52 °C. The molar mass of the solute is (Kb for water = 0.52 K/m)

Solution

Q29 Which of the following gas is released on heating ammonium dichromate (NH₄)₂Cr₂O₇?

Solution

Q30 On its reaction with water and alkalies, the behaviour of SO₂(g) is very similar to that of which gas?

Solution

Subjects

Q21
Fluorine does not exhibit variable oxidation states due to

Q22
The formation of O₂⁺ [PtF₆]⁻ is the basis for the formation of Xenon fluoride. This is because

Q23
Chlorobenzene reacts with Cl₂ in the presence of FeCl₃ giving ortho and para chloro compounds. The reaction is

Q24
Phenol is more acidic than ethanol because

Q25
Which of the following statements is not correct about amorphous solids?

Q26
Section-B

Q27
An element with a molar mass of 96 g mol⁻¹ forms a cubic unit cell with an edge length of 4 × 10⁻⁸cm. If the density is 10 g cm⁻³, the nature of the unit cell is (NA = 6 × 10²³ mol⁻¹)

Q28
When 2.5 g of a non-volatile solute was dissolved in 50 mL of water, it gave a boiling point elevation of 0.52 °C. The molar mass of the solute is (Kb for water = 0.52 K/m)

Q29
Which of the following gas is released on heating ammonium dichromate (NH₄)₂Cr₂O₇?

Q30
On its reaction with water and alkalies, the behaviour of SO₂(g) is very similar to that of which gas?