Solutions (KVPY Stream-SA (Class 11) Chemistry): Questions 1 - 3 of 3

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 133 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 150.00 or

Question number: 1

» Solutions » Molarity

Appeared in Year: 2013

MCQ▾

Question

The weight percent of sucrose (formula weight=342gmol1 ) in an aqueous solution is 3.42. The density of the solution is 1 gmL1 , the concentration of sucrose in the solution in mol L1 is

Choices

Choice (4) Response

a.

10

b.

0.1

c.

1.0

d.

0.01

Question number: 2

» Solutions » Molality

Appeared in Year: 2012

MCQ▾

Question

By dissolving 0.35 mole of sodium chloride in water, 1.30 L of salt solution is obtain. The molarity of the resulting solution should be reported as:

Choices

Choice (4) Response

a.

0.2692

b.

0.269

c.

0.3

d.

0.27

Question number: 3

» Solutions » Methods for Concentration of Solution

MCQ▾

Question

In the given set of reactions what is the ratio of equivalent weights of HNO3 .

(a) 5Cu+2HNO35CuO+N2+H2O

(b) NaOH+HNO3NaNO3+H2O

Choices

Choice (4) Response

a.

4: 5

b.

3: 5

c.

2: 5

d.

1: 5

Sign In