Chemistry, asked by amrik1212, 1 year ago

convert phenol to phenolphthalein

Answers

Answered by rakeshranjan385

Phenol is heated with phthalic anhydride and concentrated H2SO4 to give Phenolphthalein. This can be tested by the formation of pink colour when it is treated with sodium hydroxide.

Previous Question

Next Question

Similar questions

English, 8 months ago

give me answer fast. .

Geography, 8 months ago

“The Himalayas and the Northern Plains are the most recent landforms; from the view point of geology” Compare and Contrast between both the landforms.

Physics, 8 months ago

16.b. A 220 V dc shunt motor takes 22 A at rated voltage and runs at 1000 rpm. Its field resistance is 100 ohm and armature circuit resistance is 0.1 ohms. Compute the value of additional resistance required in the armature circuit to reduce the speed to 800 rpm, when the load torque is proportional to speed...

Math, 1 year ago

give some sure shot questions from class 10 circles chapter...

English, 1 year ago

Asl on Opinion about English Language or Importance of English...

Math, 1 year ago

In this question ,find amount and compound intrest : Rs 19,800 for 3 years at 12 1/2% per annum compounded annually .For AMOUNT , formula is A=P(1+R/100)n, do how n=3...

Biology, 1 year ago

what is the importance of mixed cropping...

Biology, 1 year ago

how do ants identify sweets kept in a tin ?