Q.1 Lattice energy of an ionic crystal is the enthalpy of:
A) Combustion C) Dissolution
B) Dissociation D) Formation
Q.2 In standard enthalpy of atomization, heat of the surrounding:
A) Remains unchanged C) Increases than decreases
B) Increases D) Decreases
A) Combustion C) Dissolution
B) Dissociation D) Formation
Q.2 In standard enthalpy of atomization, heat of the surrounding:
A) Remains unchanged C) Increases than decreases
B) Increases D) Decreases
Q.3 ‘∆H’ will be given a negative sign in
A) Exothermic reactions C) Dissociation reaction
B) Decomposition reactions D) Endothermic reactions
Q.4 Lattice energy of an ionic crystal is the enthalpy of
A) Combustion C) Dissolution
B) Dissociation D) Formation
A) Exothermic reactions C) Dissociation reaction
B) Decomposition reactions D) Endothermic reactions
Q.4 Lattice energy of an ionic crystal is the enthalpy of
A) Combustion C) Dissolution
B) Dissociation D) Formation
Q.5 Heat of formation (∆Hf°) for CO2 is:
A) -394 kJ/mole C) -294 kJ/mole
B) +394 kJ/mole D) -390 kJ/mole
A) -394 kJ/mole C) -294 kJ/mole
B) +394 kJ/mole D) -390 kJ/mole