Question

The colour of a freshly prepared solution filled in a test tube is pale green. � The solution could be:; A. Zinc sulphate; B. Ferrous sulphate; C. Copper sulphate; D. Aluminum sulphate(Delhi - 2012)

Answer 1

Answer:

the correct answer is B)

Answer 2

The colour of freshly prepared solution of ferrous sulfate is pale green.

Explanation:

• To identify the solution with the help of the color, the color of the salts given in the option must be analyzed. Accordingly,

A. Zinc sulfate

• This is a colorless salt.
• The solution which is freshly prepared with zinc sulfate remains colorless.

B. Ferrous sulfate:

• The color of the salt is pale green.
• The freshly prepared solution of ferrous sulfate is pale green.

C. Copper sulfate:

• The color of the salt is blue.
• The freshly prepared solution of copper sulfate is Blue.

D. Aluminium sulfate:

• The color of the salt is white.
• The freshly prepared solution of ammonium sulfate is white.

• As per the above information in the given scenario, as the color of the freshly prepared solution is pale green it is inferred that the solution is B. Ferrous sulfate.

Learn more about such concept

(a) Identify A, B, C, D. (b) Write the chemical equations involved. (c) Give an example of the salt which also shows above property.

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