By which of the following test we can differentiate lead chloride by its groupmates (chlorides of silver and mercury) when present in the same solution?

Lead chloride is tested by its flame colour

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On reaction with concentrated sulphuric acid lead chloride gives chlorine gas

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Lead chloride is soluble in hot water

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It cannot be differentiated separately

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Solution

The correct option is A Lead chloride is soluble in hot water
To differentiate lead chloride we need to need to find that property of lead chloride which is not possessed by other chlorides of the same group that is lead chloride is soluble in hot water while other chlorides are not.
Solvation entails not only breaking bonds within the salt but also the creation of bonds between ions and solvent. Hot water likely weakens the lead ion-anion bonds, which helps in further bonding with solvent.

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Q. Lead chloride and silver chloride can be separated by :

Q. Assertion :Chlorides are confirmed by the chromyl chloride test. Reason: When the salt is heated with potassium dichromate and concentrated sulphuric acid, red vapours of tetrachromyl chloride are produced.

Name the following:
(i) Acid present in the stomach of mammals.
(ii) Drying agent used to dry hydrogen chloride.
(iii) Salt obtained by heating sodium chloride with concentrated sulphuric acid below 200 degree celsius.
(iv) Gas that yields dense white fumes when mixed with hydrogen chloride.
(v) Two solution that yield white precipitates, when treated with hydrogen chloride or hydrochloric acid.
(vi) Gas obtained by treating metals with hydrochloric acid.
(vii) Gas obtained by treating ferrous sulphide with hydrochloric acid.
(viii) Five oxidizing agents that liberate chlorine from concentrated hydrochloric acid.
(ix) Acid used to extract glue from bones.
(x) A chloride which is soluble in excess of ammonium hydroxide.
(xi) A greenish yellow gas.
(xii) A chemical in which gold can be dissolved.
(xiii) A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
(xiv) Two colourless gases which when mixed produce a white solid.

(a) What is the property of concentrated sulphuric acid which allows it to be used in the preparation of hydrogen chloride and nitric acid?
(b) What property of hydrogen chloride is demonstrated when it is collected by downward delivery (upward displacement)?
(c) Why is hydrogen chloride not collected over water?

Choose the correct answer from the options given below:
(i) Hydrogen chloride gas being highly soluble in water is dried by:
(a) Anhydrous calcium chloride
(b) Phosphorous penta oxide
(c) Quick lime
(d) Concentrated sulphuric acid.

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