Question

A metal X forms a water soluble salt XNO3. When an aqueous solution of XNO3 is added to common salt solution, then a white precipitate of compound Y is formed along with sodium nitrate solution. Metal X is said to be the best conductor of electricity and it does not evolve hydrogen when put in dilute hydrochloric acid.

(a) What is metal X?

(b) What is salt XNO3?

(c) Name the compound Y.

(d) Write the chemical equation of the reaction which takes place on reacting XNO3 solution and common salt solution giving the physical states of all the reactants and products.

(e) What type of chemical reaction is illustrated by the above equation?

Answer 1

Hi there,

☆ A) the metal X is silver Ag

☆ B) the salt is silver nitrate AgNO3

◇ The common salt is sodium chloride NaCl

☆ C) the precipitate is silver chloride AgCl

☆ D)

AgNO3(aq) + NaCl (aq) => AgCl (s) + NaNO3(aq)

☆ E) the chemical reaction is double displacement (precipitation reaction)

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