You are provide with a mixture of naphthalene and sodium chloride by your teacher. Suggest an activity to separate them with a well diagram
Answers
Answer:
Naphthalene is insoluble in water but soluble in benzene (organic solvent). sodium chloride is soluble in water but insoluble in benzene. Naphthalene changes into vapours at room temperature whereas sodium chloride changes into vapours on heating.
Method
(a) Add water to the mixture and shake it vigorously to dissolve sodium chloride.
(b) Filter the mixture. Naphthalene is obtained as residue whereas, filtrate contains ammonium chloride. Crystallise the filtrate by heating till saturated solution of sodium chloride is obtained.
Please mark it brain list
U can use the process of Sublimation to separate naphthalene and sodium chloride.. As naphthalene is a sublime.. It will be converted into vapours and they will be collected in the sides of the flask in condensed form and sodium chloride will be there in the flask