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प्रश्न
Identify the salts P and Q from the observation given below:
When dilute HCl is added to a salt Q, a brisk effervescence is produced and the gas turns lime water milky. When NH4OH soltion is added to the above mixture (after adding dilute HCl), it produces a white precipitate which is soluble in excess NH4OH solution.
उत्तर
ZnCO3
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संबंधित प्रश्न
State one relevant observation for the following
When hydrogen sulfide gas is passed through lead acetate solution.
Name the gas that is produced in the given cases :
An action of dilute hydrochloride acid on sodium sulphide.
Explain why dilute hydrochloric acid cannot be concentrated by boiling beyond 22.2%.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
\[\ce{MnO2}\], \[\ce{PbO2}\] and red lead react with \[\ce{conc. HCl}\] acid liberates \[\ce{Cl2}\].
What is the common property being shown by these metal oxides?
Write balanced equcation for the following reaction:
Manganese (IV) oxide and concentrated hydrochloric acid.
Write a fully balanced of the following case :
Magnesium metal is treated with dilute hydrochloric acid.
Select from the list given (a to e) one substances in each case which matches the description given in parts (i) to (v). (Note : Each substance is used only one in the answer)
(a) Nitroso Iron (II) Sulphate
(b) Iron (III) chloride
(c) Chromium sulphate
(d) Lead (II) chloride
(e) Sodium chloride
(i) A compound which is deliquescent
(ii) A compound which is insoluble in cold water, but soluble in hot water
(iii) The compound responsible for the brown ring during the brown ring test of nitrate iron
(iv) A compound whose aqueous solution is neutral in nature
(v) The compound which is responsible for the green colouration when sulphur dioxide is passed through acidified potassium dichromate solution
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
