class 12 chemistry chapter 2 solutions objective type questions with answers
Questions
Free download in PDF Class 12 Chemistry Chapter 2 Solutions Objective Type Questions with Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
1
FeCl3 ionizes 80% in their aqueous solution, then what will be the value of Vant ‘Hoff factor i ?
6
Which of the following ratio is irrelevant formula mass and experimental molecular weight obtained from colligative properties of solution of ionic solid of AB type ?
7
Which of the following ratio of correct molecular wt (formula weight) and experimental molecular weight obtained from colligative properties of solution of ionic solid of AB type is possible ?
8
A substance associates as trimer in their solution, then which of the following ratio is irrelevant for real molecular weight and experimental molecular weight obtained from colligative properties of solution ?
9
Choose the correct option for true and false statement. (For true statement ‘T’ and for false statement ‘F’ is used)
(i) solubility of gas in liquid increases with increase in partial pressure of the gas.
(ii) solubility of gas in liquid increases with increase in temperature
(iii) solubility of gas in liquid isKH is less
(iv) solubility of gas in liquid increases, as partial pressure of gas decreases and temperature increases.
10
Boiling point of an aqueous solution of 0.05m FeCl3 is 100.087 °C; then, what will be the value of Van’t Hoff factor i ? (Kb = 0.513 °C – kg - mole-1)
11
Difference of boiling point and freezing point of an aqueous solution of glucose is 104 oC at 1 bar pressure; then what will be the molality of the solution ? (Kb = 0.513°C and K+” = 1.86 oC – kg - mole-1)
12
Difference of boiling point and freezing point of 0.2 m acetic acid prepared in benzene is 75.7 oC ; then, state the value of Van’t Hoff factor i ? (For benzene, Kb = 2.65 °C – kg – mol–1, Kf = 5.12 oC – kg – mol– 1, Tb = 80 oC, Tf = 5.5 oC)
13
Difference in boiling point and freezing point of 10 kg aqueous solution of urea is 100.2372 °C;then what quantity of urea dissolved in the solution ? (Kb = 0.513o and K+” = 1.86 oC – kg - mole-1)
14
500 ml solution of HCl is prepared by dissolving 14.6 gm HCl in water. What will be the molarity of HCl in the solution ? (Molecular weight of HCl = 36.5 gm/mole )
18
What would be the molarity and normality of solution prepared by dissolving 19.6 gm H2SO4 in dissolved water to prepare 800 ml solution ? (Molecular weight of H2SO4 is 98 gm/mole)
