Depression of Freezing Point

JEE Main Chemistry · Solutions · 15 questions, latest first

• Given below are two statements: Statement (I): Molal depression constant K_f is given by (M_1 RT_f)/(Δ S_fus), where symbols have…20254 April, Shift 2 · Q53
• Given below are two statements: Statement (I): NaCl is added to the ice at 0°C, present in the ice cream box to prevent the…202529 January, Shift 2 · Q55
• What is the freezing point depression constant of a solvent, 50 g of which contain 1 g non volatile solute (molar mass 256 g…202528 January, Shift 1 · Q53
• Consider the given plots of vapour pressure (VP) vs temperature(T/K). Which amongst the following options is correct graphical…202524 January, Shift 1 · Q54
• When ' x^′ × 10^-2 mL methanol (molar mass =32 g; density =0.792 g / cm^3 ) is added to 100 mL water ( density =1 g / cm^3 ), the…20246 April, Shift 2 · Q84
• Considering acetic acid dissociates in water, its dissociation constant is 6.25 × 10^-5. If 5 mL of acetic acid is dissolved in 1…20245 April, Shift 2 · Q84
• 7 kg of each of water and acetic acid are mixed. The freezing point of the solution will be -x^° C. Consider the acetic acid does…20244 April, Shift 2 · Q84
• Mass of ethylene glycol (antifreeze) to be added to 18.6 kg of water to protect the freezing point at -24^° C is ____ kg (Molar…20241 February, Shift 2 · Q83
• The solution from the following with highest depression in freezing point/lowest freezing point is202430 January, Shift 2 · Q64
• What happens to freezing point of benzene when small quantity of napthalene is added to benzene?202430 January, Shift 1 · Q63
• 20 % of acetic acid is dissociated when its 5 g is added to 500 mL of water. The depression in freezing point of such water is…20231 February, Shift 2 · Q53
• 25 mL of an aqueous solution of KCl was found to require 20 mL of 1 M AgNO_3 solution when titrated using K_2 CrO_4 as an…20231 February, Shift 1 · Q54
• Lead storage battery contains 38\% by weight solution of H_2 SO_4. The van't Hoff factor is 2.67 at this concentration. The…202330 January, Shift 2 · Q53
• Solid Lead nitrate is dissolved in 1 litre of water. The solution was found to boil at 100.15^° C. When 0.2 mol of NaCl is added…202329 January, Shift 1 · Q54
• In the depression of freezing point experiment A. Vapour pressure of the solution is less than that of pure solvent B. Vapour…202324 January, Shift 1 · Q32