10.19—Understand, the following techniques in the preparation and purification of a liquid organic compound: i heating under

Understand, the following techniques in the preparation and purification of a liquid organic compound: i heating under reflux ii extraction with a solvent using a separating funnel iii distillation iv drying with an anhydrous salt v boiling temperature determination.

Use —understand, the following techniques in the preparation and purification of a liquid organic compound: i heating under to connect the rule to the data and decision in the question.

This matters because —understand, the following techniques in the preparation and purification of a liquid organic compound: i heating under determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply —understand, the following techniques in the preparation and purification of a liquid organic compound: i heating under to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: —Understand, the following techniques in the preparation and purification of a liquid organic compound: i heating under is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.