From the list of following salts choose the salt that most appropriately fits the descriptions given in the following:
$[A g C l, M g C l_{2}, N a H S O_{4}, P b C O_{3}, Z n C O_{3}, K N O_{3}, C a (N O_{3})_{2}]$
(i) A deliquescent salt.
(ii) An insoluble chloride
(iii) On heating, this salt gives a yellow residue when hot and white when cold.
(iv) On heating this salt, a brown coloured gas evolved.

Open in App

Solution

(i) $M g C l_{2}$ absorbs the moisture from the air and dissolves in it.
(ii) $A g C l$ is an insoluble chloride.
(iii) $Z n C O_{3}$ is the salt which is yellow when hot and white when cold.
(iv) On heating $C a (N O_{3})_{2}$ , a brown coloured gas is evovled i.e $N O_{2}$ .

Suggest Corrections

Similar questions

From the formula listed below, choose one, in each case, corresponding to the salt having the given description:-

$A g C l, C u C O_{3}, C u S O_{4} .5 H_{2} O, K N O_{3}, N a C l, N a H S O_{4}, P b (N O_{3})_{2} . Z n C O_{3}, Z n C O_{4} .7 H_{2} O .$

(a) an acid salt.

(b) an insoluble chloride.

(d) on heating, this salt changes from green to black.

(e) this salt given nitrogen dioxide on heating.

Q. From the formulae listed below, choose, one, corresponding to the salt having the given description:
AgCl, CuCO₃, CuSO₄.5H₂O, KNO₃, NaCl, NaHSO₄, Pb(NO₃)₂, ZnCO₃, ZnSO₄.7H₂O. On heating this, salt changes from green to black.

Q. (a) Choosing only substances from the list given in the box below, write equations for the reactions which you would use in the laboratory to obtain:
(i) Sodium sulphate
(ii) Copper sulphate
(iii) Iron (II) sulphate
(iv) Zinc carbonate

Dilute sulphuric acid

Copper
Iron
Sodium, Zinc

Copper carbonate
Sodium carbonate

(b) From the formulae listed below, choose one, in each case, corresponding to the salt having the given description:
AgCl, CuCO₃, CuSO₄·5H₂O, KNO₃, NaCl, NaHSO₄, Pb(NO₃)₂, ZnCO₃, ZnSO₄·7H₂O.
(i) An acid salt.
(ii) An insoluble chloride.
(iii) On treating with concentrated sulphuric acid, this salt changes from blue to white.
(iv) On heating this salt changes from green to black.
(v) This salt gives nitrogen dioxide on heating.

Q. A white salt on heating decomposes to give brown fumes and a yellow residue is left behind. Name the salt and write the decomposition reaction.

A white coloured inorganic salt gives the following reactions.

(i) It is soluble in water and the solution has sweet taste.
The solution turns black in presence of $H_{2} S$
ii) The solution gives a white precipitate with dilute HCl which is soluble in hot water.

iii) The salt when heated gives acetone and a yellow coloured residue. Identify the salt (A) and give chemical reactions.

Join BYJU'S Learning Program

(i) MgCl2 absorbs the moisture from the air and dissolves in it.(ii) AgCl is an insoluble chloride.(iii) ZnCO3 is the salt which is yellow when hot and white when cold.(iv) On heating Ca(NO3)2, a brown coloured gas is evovled i.e NO2.

(i) $M g C l_{2}$ absorbs the moisture from the air and dissolves in it.
(ii) $A g C l$ is an insoluble chloride.
(iii) $Z n C O_{3}$ is the salt which is yellow when hot and white when cold.
(iv) On heating $C a (N O_{3})_{2}$ , a brown coloured gas is evovled i.e $N O_{2}$ .