Question

from the list of substance given below choose the pair required to prepare salt and write down the relevant to balance equation. substances are chlorine, iron, lead nitrate solution, sodium nitrate solution, sodium hydroxide solution, dilute hydrochloric acid. salts are(a)nacl(b) pbcl2(c)anhydrous iron 3chloride​

Answer 1

【@】•NaCl is the correct Answer•

Answer 2

Here is your answer.

(i) (a) Hydrochloric acid and sodium hydroxide solution react to form sodium chloride.

HCl + NaOH —> NaCl + H2O

This reaction represent the formation of a salt by the acid base neutralization.

(b) Lead chloride prepared by adding dilute hydrochloric acid to a solution of lead nitrate.

Pb(NO3)2 + 2HCl —> PbCl2 + 2HNO3

(c) Anhydrous iron (III) chloride is obtained from action of dry Cl2 gas over heated powdered iron in a pyrex tube.

2Fe + 3Cl2 (dry) —> 2FeCl3

(ii) On heating, ammonium salt dissociates into ammonia and HCl. The other property of ammonium salt is that when heated with alkali, NH3 is formed.

NH4Cl + NaOH —> NaCl + H2O + NH3

I hope my answer is help you.

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