Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because

Stoichiometry
Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because

The salt formed does not hydrolyse

The strong base and strong acid reacts completely

Only OH⁻ and H⁺ ions react in every case

The strong base and strong acid reacts in aqueous solution

The salt formed does not hydrolyse

The strong base and strong acid reacts completely

Only OH⁻ and H⁺ ions react in every case

The strong base and strong acid reacts in aqueous solution

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Stoichiometry
The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is

CS₂ > H₂O > C₂H₅OH

CS₂ > C₂H₅OH > H₂O

H₂O > CS₂ > C₂H₅OH

H₂O > C₂H₅OH > CS₂

CS₂ > H₂O > C₂H₅OH

CS₂ > C₂H₅OH > H₂O

H₂O > CS₂ > C₂H₅OH

H₂O > C₂H₅OH > CS₂

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Stoichiometry
For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.

Anhydrous sodium sulphate

Sodium chloride

Hypo

Sodium carbonate monohydrate

Anhydrous sodium sulphate

Sodium chloride

Hypo

Sodium carbonate monohydrate

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Stoichiometry
The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the

State of aggregation & the state of combination at the beginning & the end of the reaction

None of these

Number of intermediate chemical reactions involved

Temperature & pressure

State of aggregation & the state of combination at the beginning & the end of the reaction

None of these

Number of intermediate chemical reactions involved

Temperature & pressure

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Stoichiometry
Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.

< 3

> 3

< 1

3

< 3

> 3

< 1

3

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Stoichiometry
On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes

4

1

8

2

4

1

8

2

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Stoichiometry

Stoichiometry Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because

Stoichiometry The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is

Stoichiometry For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.

Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the

Stoichiometry Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.

Stoichiometry On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes

Stoichiometry
Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because

Stoichiometry
The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is

Stoichiometry
For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.

Stoichiometry
The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the

Stoichiometry
Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.

Stoichiometry
On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes