NEET 2013 (Karnataka) | Solutions Question 18 | Chemistry

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NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

Which condition is not satisfied by an ideal solution?

$${\Delta _{mix}}\,V = 0$$

$${\Delta _{mix}}\,S = 0$$

Obeyance to Raoult's Law

$${\Delta _{mix}}\,H = 0$$

AIPMT 2012 Mains

MCQ (Single Correct Answer)

-1

Vapour pressure of chloroform (CHCl₃) and dichloromethane (CH₂Cl₂) at 25^oC are 200 mm Hg and 41.5 mm Hg respectively. Vapour pressure of the solution obtained by mixing 25.5 g of CHCl₃ and 40 g of CH₂Cl₂ at the same temperature will be
(Molecular mass of CHCl₃ = 119.5 u and molecular mass of CH₂Cl₂ = 85 u)

173.9 mm Hg

615.0 mm Hg

90.6 mm Hg

285.5 mm Hg

AIPMT 2012 Prelims

MCQ (Single Correct Answer)

-1

p_A and p_B are the vapour pressure of pure liquid components, A and B, respectively of an ideal binary solution. If x_A represents the mole fraction of component A, the total pressure of the solution will be

$${p_A} + {x_A}\left( {{p_B} - {p_A}} \right)$$

$${p_A} + {x_A}\left( {{p_A} - {p_B}} \right)$$

$${p_B} + {x_A}\left( {{p_B} - {p_A}} \right)$$

$${p_B} + {x_A}\left( {{p_A} - {p_B}} \right)$$

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

A 0.1 molal aqueous solution of a weak acid is 30% ionized. If K_f for water is 1.86^oC/m, the freezing point of the solution will be

$$-$$0.18^oC

$$-$$0.54^oC

$$-$$0.36^oC

$$-$$0.24^oC

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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