AIPMT 2012 Prelims | Thermodynamics Question 34 | Chemistry

PREVIOUS NEXT

AIPMT 2012 Prelims

MCQ (Single Correct Answer)

-1

The enthalpy of fusion of water is 1.435 kcal/mol. The molar entropy change for the melting of ice at 0^oC is

10.52 cal/(mol K)

21.04 cal/(mol K)

5.260 cal/(mol K)

0.526 cal/(mol K)

AIPMT 2012 Prelims

MCQ (Single Correct Answer)

-1

In which of the following reactions, standard reaction entropy change ($$\Delta $$S^o) is positive and standard Gibb's energy change ($$\Delta $$G^o) decreases sharply with increasing temperature ?

C_(graphite) + $${1 \over 2}$$O_2(g) $$ \to $$ CO_(g)

CO_(g) + $${1 \over 2}$$O_2(g) $$ \to $$ CO_2(g)

Mg_(s) + $${1 \over 2}$$O_2(g) $$ \to $$ MgO_(g)

$${1 \over 2}$$C_(graphite) + $${1 \over 2}$$O_2(g) $$ \to $$ $${1 \over 2}$$CO_2(g)

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

Consider the following processes :

	H (kJ/mol)
1/2A $$ \to $$ B	+150
3B $$ \to $$ 2C + D	-125
E + A $$ \to $$ 2D	+350

For B + D $$ \to $$ E + 2C, $$\Delta $$H will be

525 kJ/mol

$$-$$175 kJ/mol

$$-$$ 325 kJ/mol

325 kJ/mol

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

Which of the following is correct option for free expansion of an ideal gas under adiabatic condition ?

q = 0, $$\Delta $$T $$ \ne $$ 0, w = 0

q $$ \ne $$ 0, $$\Delta $$T = 0, w = 0

q = 0, $$\Delta $$T = 0, w = 0

q = 0, $$\Delta $$T < 0, w $$ \ne $$ 0

PREVIOUS NEXT

NEET Subjects

Biology

Botany

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution