AIPMT 2004 | Thermodynamics Question 64 | Chemistry

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AIPMT 2004

MCQ (Single Correct Answer)

-1

Considering entropy (S) as a thermodynamic parameter, the criterion for the spontaneity of any process is

$$\Delta {S_{system}} + \Delta {S_{surroundings}} > 0$$

$$\Delta {S_{system}} - \Delta {S_{surroundings}} > 0$$

$$\Delta {S_{system}} > 0\,\,\,$$only

$$\Delta {S_{surroundings}} > 0$$ only

AIPMT 2004

MCQ (Single Correct Answer)

-1

The work done during the expansion of a gas from a volume of 4 dm³ to 6 dm³ against a constant external pressure of 3 atm is (1 L atm = 101.32 J)

$$-$$ 6 J

$$-$$ 608 J

+ 304 J

$$-$$ 304 J

AIPMT 2003

MCQ (Single Correct Answer)

-1

What is the entropy change (in J K^$$-$$1 mol^$$-$$1) when one mole of ice is converted into water at 0^oC? (The enthalpy change for the conversion of ice to liquid water is 6.0 kJ mol^$$-$$1 at 0^oC).

20.13

2.013

2.198

21.98

AIPMT 2003

MCQ (Single Correct Answer)

-1

For which one of the following equations is $$\Delta $$H^o_react equal to $$\Delta $$H^o_f for the product ?

Xe_(g) + 2F_2(g) $$ \to $$ XeF_4(g)

2CO_(g) + O_2(g) $$ \to $$ 2CO_2(g)

N_2(g) + O_3(g) $$ \to $$ N₂O_3(g)

CH_4(g) + 2Cl_2(g) $$ \to $$ CH₂Cl_2(l) + 2HCl_(g)

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