IIT-JEE 2010 Paper 1 Offline | Thermodynamics Question 36 | Chemistry

IIT-JEE 2010 Paper 1 Offline

MCQ (Single Correct Answer)

-0.25

The bond energy (in kcal mol^-1) of a C-C single bond is approximately

100

1000

IIT-JEE 2010 Paper 1 Offline

MCQ (Single Correct Answer)

-0.75

The species which by definition has ZERO standard molar enthalpy of formation at 298 K is

Br₂ (g)

Cl₂ (g)

H₂O (g)

CH₄ (g)

IIT-JEE 2008 Paper 2 Offline

MCQ (Single Correct Answer)

-1

Statement 1 : There is a natural asymmetry between converting work to heat and converting heat to work.

Statement 2 : No process is possible in which the sole result is the absorption of heat from a reservoir and its complete conversion into work.

Statement 1 is True, Statement 2 is True; Statement 2 is a CORRECT explanation for Statement 1.

Statement 1 is True, Statement 2 is True; Statement 2 is a NOT CORRECT explanation for Statement 1.

Statement 1 is True, Statement 2 is False.

Statement 1 is False, Statement 2 is True.

IIT-JEE 2007 Paper 2 Offline

MCQ (Single Correct Answer)

-1

For the process $$\mathrm{H_2O}(l)$$ (1 bar, 373 K) $$\to$$ $$\mathrm{H_2O}(g)$$ (1 bar, 373 K), the correct set of thermodynamic parameters is:

$$\mathrm{\Delta G=0,\Delta S=+ve}$$

$$\mathrm{\Delta G=0,\Delta S=-ve}$$

$$\mathrm{\Delta G=-ve,\Delta S=0}$$

$$\mathrm{\Delta G=-ve,\Delta S=+ve}$$

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