Explain method for preparing.
Propyne from actetylene

Explain method for preparing. propene from propane.

Explain the method of refining copper.

Suggest a method of preparation of benzaldehyde from toluene.

Explain the method of preparation of copper by hydrometallurgy.

Give a method to prepare chlorotoluene from toluene.

Explain any one method of preparation and structure of diborane.

Write a method of preparation of phosphine from white phosphorus

Write a method to prepare Glucose from starch. Write the chemical equation of the reaction.

Which among the following is the best method for the preparation of pure propane?

Acid chlorides can be use to prepare aldehydes and ketones. Can you prepare acetone from acetyl chloride? Explain.