Ncert Solutions Chemistry Class 11th

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New question posted•a year ago

Ncert Solutions Chemistry Class 11th Equilibrium

7.1. A liquid is in equilibrium with its vapour in a sealed container at a fixed temperature. The volume of the container is suddenly increased. (a) What is the initial effect of the change on the vapour pressure? (b) How do the rates of evaporation and condensation change initially? (c) What happens when equilibrium is restored finally and what will be the final vapour pressure?

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Asked by Vishal

New question posted•a year ago

Ncert Solutions Chemistry Class 11th States of Matter

5.4. At 0°C, the density of a gaseous oxide at 2 bar is same as that of dinitrogen at 5 bar. What is the molecular mass of the oxide?

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Asked by Payal Gupta

New question posted•a year ago

Ncert Solutions Chemistry Class 11th States of Matter

5.3. Using the equation of state PV= nRT, show that at a given temperature, density of a gas is proportional to the gas pressure P.

3 Views|Posted a year ago

Asked by Payal Gupta

New question posted•a year ago

Ncert Solutions Chemistry Class 11th States of Matter

5.3. Using the equation of state PV= nRT, show that at a given temperature, density of a gas is proportional to the gas pressure P.

10 Views|Posted a year ago

Asked by Payal Gupta

New question posted•a year ago

Ncert Solutions Chemistry Class 11th States of Matter

5.3. Using the equation of state PV= nRT, show that at a given temperature, density of a gas is proportional to the gas pressure P.

3 Views|Posted a year ago

Asked by Payal Gupta

New question posted•a year ago

Ncert Solutions Chemistry Class 11th States of Matter

5.1. What will be the minimum pressure required to compress 500 dm3 of air at 1 bar to 200 dm3 at 30°C?

3 Views|Posted a year ago

Asked by Payal Gupta

New question posted•a year ago

Ncert Solutions Chemistry Class 11th States of Matter

5.1. What will be the minimum pressure required to compress 500 dm3 of air at 1 bar to 200 dm3 at 30°C?

4 Views|Posted a year ago

Asked by Payal Gupta

New answer posted•a year ago

Ncert Solutions Chemistry Class 11th Chemical Bonding and Molecular Structure

4.60. Define Lattice energy. How is Lattice energy influenced by

(i) Charge on the ions

(ii) Size of the ions?

7 Views|Posted a year ago

Asked by Payal Gupta

Answered by

Payal Gupta | Contributor-Level 10

a year ago

4.60. Lattice energy is defined as the energy released when one mole of crystalline solid is formed by the combination of oppositely charged ions.

(i) As the magnitude of charge on an ion increases there will be greater force of interionic attraction and hence greater will be the value of

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New answer posted•a year ago

Ncert Solutions Chemistry Class 11th Chemical Bonding and Molecular Structure

4.59. What are Lewis structures? Write the Lewis structure of H₂, BeF₂ and H₂O.

15 Views|Posted a year ago

Asked by Payal Gupta

Answered by

Payal Gupta | Contributor-Level 10

a year ago

4.59. The outer shell electrons are shown as dots surrounding the symbol of the atom. These symbols are known as Lewis symbols or Lewis structures.

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New answer posted•a year ago

Ncert Solutions Chemistry Class 11th Chemical Bonding and Molecular Structure

4.58. Name the two conditions which must be satisfied for hydrogen bonding to take place in a molecule.

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Asked by Payal Gupta

Answered by

Payal Gupta | Contributor-Level 10

a year ago

4.58. (i) The molecule should contain highly electronegative atom like hydrogen atom.

(ii) The size of electronegative atom should be small.

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Ncert Solutions Chemistry Class 11th

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<p><strong>5.4. At 0°C, the density of a gaseous oxide at 2 bar is same as that of dinitrogen at 5 bar. What is the molecular mass of the oxide?</strong></p>

<p><strong>5.3. Using the equation of state PV= nRT, show that at a given temperature, density of a gas is proportional to the gas pressure P.</strong></p>

<p><strong>5.3. Using the equation of state PV= nRT, show that at a given temperature, density of a gas is proportional to the gas pressure P.</strong></p>

<p><strong>5.3. Using the equation of state PV= nRT, show that at a given temperature, density of a gas is proportional to the gas pressure P.</strong></p>

<p><strong>5.1. What will be the minimum pressure required to compress 500 dm<sup>3</sup> of air at 1 bar to 200 dm<sup>3</sup> at 30°C?</strong></p>

<p><strong>5.1. What will be the minimum pressure required to compress 500 dm<sup>3</sup> of air at 1 bar to 200 dm<sup>3</sup> at 30°C?</strong></p>

4.60. Define Lattice energy. How is Lattice energy influenced by

(i) Charge on the ions

(ii) Size of the ions?

4.59. What are Lewis structures? Write the Lewis structure of H₂, BeF₂ and H₂O.

4.58. Name the two conditions which must be satisfied for hydrogen bonding to take place in a molecule.