Serial dilutions Quiz 1

Question 1

If the distance between the molecules is large, then intermolecular forces will be

Accepted Answer

weak

Answer

strong

Answer

no effect

Answer

none of these

Question 2

Kavya had 300mL of 3M KCl solution if she concentrated the solution to 100mL by heating. The molarity of the final solution obtained will be?

Accepted Answer

6M

Answer

2M

Answer

7m

Answer

3M

Question 3

Ashika diluted 0.8 M HCl solution to a final volume of 550mL. What will be the initial volume of the solution, if the new concentration is 0.35M?

Accepted Answer

192.5mL

Answer

195.4mL

Answer

197.2mL

Answer

193.9Ml

Question 4

Adithya mixed a volume of 150mL solution of ferric chloride solution of 0.4M with 400mL of ferric chloride solution of 0.7 M. Then what will be the concentration of solution she prepared for analysis?

Accepted Answer

0.61

Answer

0.45

Answer

0.85

Answer

0.75

Question 5

A 60mL solution of NaBr of concentration 0.8M was mixed with 120mL of KCl solution of 0.6M. What will be the concentration of KCl in the new solution $$ \ $$<img  src="https://cmds-vedantu.s3.ap-southeast-1.amazonaws.com/prod/question-sets/927c1510-29ff-4908-a441-8e95182d8e396978544535481739035.png"/>

Accepted Answer

0.4M

Answer

0.6 M

Answer

0.9M

Answer

0.5M