AIPMT 2006 | Thermodynamics Question 54 | Chemistry

AIPMT 2006

MCQ (Single Correct Answer)

-1

The enthalpy and entropy change for the reaction:
Br_2(l) + Cl_2(g) $$ \to $$ 2BrCl_(g)
are 30 kJ mol^$$-$$1 and 105 J K^$$-$$1 mol^$$-$$1 respectively.
The temperature at which the reaction will be in equilibrium is

300 K

285.7 K

273 K

450 K

AIPMT 2005

MCQ (Single Correct Answer)

-1

A reaction occurs spontaneously if

T$$\Delta $$S < $$\Delta $$H and both $$\Delta $$H and $$\Delta $$S are +ve

T$$\Delta $$S > $$\Delta $$H and $$\Delta $$H is +ve and $$\Delta $$S are $$-$$ve

T$$\Delta $$S > $$\Delta $$H and both $$\Delta $$H and $$\Delta $$S are +ve

T$$\Delta $$S = $$\Delta $$H and both $$\Delta $$H and $$\Delta $$S are +ve

AIPMT 2005

MCQ (Single Correct Answer)

-1

Which of the following pairs of a chemical reaction is certain to result in a spontaneous reaction ?

Exothermic and increasing disorder

Exothermic and decreasing disorder

Endothermic and increasing disorder

Endothermic and decreasing disorder

AIPMT 2005

MCQ (Single Correct Answer)

-1

The absolute enthalpy of neutralisation of the reaction :

Mg(O)_(s) + 2HCl_(aq) $$ \to $$ MgCl_2(aq) + H₂O_(l) will be

$$-$$57.33 kJ mol^$$-$$1

greater than $$-$$ 57.33 kJ mol^$$-$$1

less than $$-$$ 57.33 kJ mol^$$-$$1

57.33 kJ mol^$$-$$1

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