1.

The quinone is sulfonated with 20 per cent oleum in the presence of which catalyst?(a) Mercury sulfate(b) Magnesium sulfate(c) Chlorine(d) Zinc sulphateThe question was posed to me in a job interview.My query is from Technical Preparations topic in chapter Sulfonation and Sulfation of Unit Processes

Answer» RIGHT answer is (a) Mercury sulfate

The BEST EXPLANATION: Anthraquinone-I-sulfonate (POTASSIUM Salt), the quinone is sulfonated with 20 per cent OLEUM in the presence of mercury sulfate catalyst.


Discussion

No Comment Found

Related InterviewSolutions