11th Chemistry Important Questions State Board English Medium. We covered all the 11th Chemistry Important Questions State Board English Medium in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive MCQs appear in the exams like MHT-CET, NEET, JEE (Mains), and other Competitive Examinations, etc. We created all the competitive exam MCQs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
- 11th Chemistry Full Portion Question Paper
- Pharmaceutical Chemistry 2 MCQs with Answers
- VK Jaiswal Inorganic Chemistry NEET
11th Chemistry Important Questions State Board English Medium Objective for Students
At 20°C, the vapour pressure of diethyl ether is 442 mm. When 6.4 g of a non-volatile solute is dissolved in 50 g of solvent, the vapour pressure of the solution becomes 410 mm. The molecular mass of the solute is
(A) 150
(B) 130.9
(C) 160
(D) 180
Option b – 130.9
One molar glucose solution boils at 100.54°C. The relative decrease in vapour pressure of aq. urea solutions are 0.018. The elevation in the boiling point of the urea solution is
(A) 0.18°C
(B) 0.36°C
(C) 0.72°C
(D) 0.54°C
Option d – 0.54°C
A solution containing 0.1 g of non-volatile solute P (molar mass 100 g) in 100 g of benzene gives rise in boiling point by 0.2 K. Another solution containing 0.1 g of ‘Q’ non-volatile solute in the same amount of the same solvent gives elevation in B.P. by 0.4 K. The ratio of the molar mass of P and Q is
(A) 1 : 2
(B) 2 : 1
(C) 1 : 4
(D) 4 : 1
Option b – 2 : 1
An aq. solution of sucrose-containing 34.2 g has an osmotic pressure of 2.38 atm at 17°C for an aq. solution of glucose to be isotonic with this solution would have mass
(A) 34.2 g
(B) 17.1 g
(C) 18.0 g
(D) 36.0 g
Option c – 18.0 g
The osmotic pressure of 5% (M/V) solution of sugar at 150°C is
(A) 4 atm
(B) 5.07 atm
(C) 3.55 atm
(D) 2.45 atm
Option b – 5.07 atm
30 g of a solute is added to 90 g of water, and the V.P. of the solution is 21.85 mm at 25°C. If 18 g of water is added to the same solution. V.P. of the solution becomes 22.15 mm. The vapour pressure of the solvent is
(A) 21.35 mm
(B) 75.6
(C) 12:35 mm
(D) 35.21 mm
Option a – 21.35 mm
The isotonic solution has equal
(A) Vapour pressure
(B) Osmotic pressure
(C) Solution pressure
(D) Freezing point
Option b – Osmotic pressure
The ratio of the value of any colligative property of KCl solution to that of sugar solution is
(A) 1
(B) 0.5
(C) 2
(D) 4
Option c – 2
An aqueous solution containing 1 g urea boils at 100.25°C. The aq. solution containing 3 g of glucose in the same volume will boil at
(A) 100.75°C
(B) 100.50°C
(C) 100.25°C
(D) 100°C
Option c – 100.25°C
A compound that acts as a semipermeable membrane is
(A) Calcium sulphate
(B) Nickel phosphate
(C) Barium oxalate
(D) Copper ferrocyanide
Option d – Copper ferrocyanide
Ebullioscopy is concerned with
(A) Osmotic pressure of the solution
(B) Boiling point elevation
(C) Relative lowering in vapour pressure
(D) Freezing point depression
Option b – Boiling point elevation
The osmotic pressure of 0.2 M urea solution at 27°C is
(A) 4.92 atm
(B) 0.29 atm
(C) 9.24 atm
(D) 2.49 atm
Option a – 4.92 atm
The osmotic pressure of the solution increase if
(A) Temperature decreases
(B) the Concentration of solution decreases
(C) No. of solute molecules increases
(D) the Volume increases
Option c – No. of solute molecules increases
The solution having the highest boiling point is
(A) 0.05 M glucose
(B) 0.01 M KNO3
(C) 0.015 M urea
(D) 0.01 M Na₂SO4
Option d – 0.01 M Na₂SO4
We covered all the 11th chemistry important questions state board english medium above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
