AIPMT 2002 | Thermodynamics Question 70 | Chemistry

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AIPMT 2002

MCQ (Single Correct Answer)

-1

Unit of entropy is

J K^$$-$$1 mol^$$-$$1

J mol^$$-$$1

J^$$-$$1 K^$$-$$1 mol^$$-$$1

J K mol^$$-$$1

AIPMT 2002

MCQ (Single Correct Answer)

-1

2 mole of ideal gas at 27^oC temperature is expanded reversibly from 2 lit. to 20 lit. Find entropy change. (R = 2 cal/mol K)

92.1

9.2

AIPMT 2002

MCQ (Single Correct Answer)

-1

Which reaction is not feasible?

2KI + Br₂ $$ \to $$ 2KBr + I₂

2KBr + I₂ $$ \to $$ 2KI + Br₂

2KBr + Cl₂ $$ \to $$ 2KCl + Br₂

2H₂O + 2F₂ $$ \to $$ 4HF + O₂

AIPMT 2001

MCQ (Single Correct Answer)

-1

Enthalpy of CH₄ + $${1 \over 2}$$ O₂ $$ \to $$ CH₃OH is negative. If enthalpy of combustion of CH₄ and CH₃OH are x and y respectively. Then which relation is correct?

x > y

x < y

x = y

x³ y

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