Chemistry questions
29404 published questions with worked solutions.
- 60 g CH_3COOH dissolved in 1 dm^3 solvent, what is molality of solution? (Density = 1.25 g/cm^3 ) [MHTCET 2022]
- What is osmotic pressure of a semi molar solution at 27^ C ? (R = 0.082) [MHTCET 2020]
- Solutions A, B, C and D are respectively 0.2 M urea, 0.10 M NaCl, 0.05 M BaCl_2 and 0.05 M AlCl_3 . All solutions are isotonic...
- If boiling point of urea solution is 100.18^ C and K_b for water is 0.512 K kg mol^ -1 , molality of solution is (Boiling point...
- 9 gram anhydrous oxalic acid (mol. wt. = 90) was dissolved in 9.9 moles of water. If vapour pressure of pure water is p_1^ the...
- Which of the following sets of solutions of urea (mol. mass 60 g mol^ -1 ) and sucrose (mol mass 342 g mol^ -1 ) is isotonic?...
- The elevation in boiling point of 0.25 molal aqueous solution of a substance is (K_b = 0.52 K kg mol^ -1 ) [MHTCET 2019]
- 18 gram glucose (Molar mass = 180) is dissolved in 100 mL of water at 300 K. If R = 0.0821 L atm mol^ -1 ,K^ -1 what is the...
- The molarity of urea (molar mass 60 g mol^ -1 ) solution by dissolving 15 g of urea in 500 cm^3 of water is [MHTCET 2018]
- Molarity is [MHTCET 2018]
- The correct relation between elevation of boiling point and molar mass of solute is [MHTCET 2018]
- The molality of solution containing 15.20 g of urea, (molar mass = 60) dissolved in 150 g of water is [MHTCET 2017]
- The osmotic pressure of solution containing 34.2 g of cane sugar (molar mass = 342 g mol^ -1 ) in 1 L of solution at 20^ C is...
- 5.0 g of sodium hydroxide (molar mass 40 g mol^ -1 ) is dissolved in little quantity of water and the solution is diluted upto...
- The relation between solubility of a gas in liquid at constant temperature and external pressure is stated by which law? [MHTCET...
- Identify the compound amongst the following of which 0.1 M aqueous solution has highest boiling point? [MHTCET 2016]
- Molarity is defined as [MHTCET 2015]
- What is the molality of a solution containing 200 mg of urea (molar mass 60 g mol^ -1 ) dissolved in 40 g of water? [MHTCET 2005]
- 6.02 10^ 20 molecules of urea are present in 100 mL of its solution. The concentration of solution is [MHTCET 2013]
- An aqueous solution of urea containing 18 g urea in 1500 cm^3 of the solution has a density equal to 1.052. If the molecular...