Question

Which of the statements is/are incorrect? I. Coal tar is a mixture of 400 organic compounds .II. Naphthalene can be obtained from coal tar. III. Coal tar is obtained by the refining of petroleum

Answer 1

Answer:

Correct statements include: II

III is incorrect.(Coal tar is not obtained by the refining of petroleum it is a by - product of coal)

I is incorrect.(there are roughly about 200 substances present in coal tar.)

Thanks:)