RBTS PAPER 3(CHEMISTRY)
3 RBTS PAPER

162634 In which of the following case entropy decreases:

1 Solid changing to liquid
2 Expansion of a gas
3 Crystals dissolve
4 Polymerisation
3 RBTS PAPER

162635 Entropy of an adiabatic reversible process is :

1 Positive
2 Zero
3 Negative
4 Constant
3 RBTS PAPER

162639 For the reaction A(s)B(s)+C(g) the value of ΔH=30.56 kJ mol1 and ΔS=66JK1 mol1. The temperature at which the free energy change for the reaction will be zero is :

1 373 K
2 413 K
3 463 K
4 493 K
3 RBTS PAPER

162634 In which of the following case entropy decreases:

1 Solid changing to liquid
2 Expansion of a gas
3 Crystals dissolve
4 Polymerisation
3 RBTS PAPER

162635 Entropy of an adiabatic reversible process is :

1 Positive
2 Zero
3 Negative
4 Constant
3 RBTS PAPER

162636 Which of the following quantity is not zero for element in standard state :

1 Enthalpy of formation
2 Entropy
3 Free energy of formation
4 All of these
3 RBTS PAPER

162639 For the reaction A(s)B(s)+C(g) the value of ΔH=30.56 kJ mol1 and ΔS=66JK1 mol1. The temperature at which the free energy change for the reaction will be zero is :

1 373 K
2 413 K
3 463 K
4 493 K
3 RBTS PAPER

162634 In which of the following case entropy decreases:

1 Solid changing to liquid
2 Expansion of a gas
3 Crystals dissolve
4 Polymerisation
3 RBTS PAPER

162635 Entropy of an adiabatic reversible process is :

1 Positive
2 Zero
3 Negative
4 Constant
3 RBTS PAPER

162636 Which of the following quantity is not zero for element in standard state :

1 Enthalpy of formation
2 Entropy
3 Free energy of formation
4 All of these
3 RBTS PAPER

162639 For the reaction A(s)B(s)+C(g) the value of ΔH=30.56 kJ mol1 and ΔS=66JK1 mol1. The temperature at which the free energy change for the reaction will be zero is :

1 373 K
2 413 K
3 463 K
4 493 K
3 RBTS PAPER

162634 In which of the following case entropy decreases:

1 Solid changing to liquid
2 Expansion of a gas
3 Crystals dissolve
4 Polymerisation
3 RBTS PAPER

162635 Entropy of an adiabatic reversible process is :

1 Positive
2 Zero
3 Negative
4 Constant
3 RBTS PAPER

162636 Which of the following quantity is not zero for element in standard state :

1 Enthalpy of formation
2 Entropy
3 Free energy of formation
4 All of these
3 RBTS PAPER

162639 For the reaction A(s)B(s)+C(g) the value of ΔH=30.56 kJ mol1 and ΔS=66JK1 mol1. The temperature at which the free energy change for the reaction will be zero is :

1 373 K
2 413 K
3 463 K
4 493 K