Advertisements
Advertisements
प्रश्न
State one relevant observation for given reactions:
Action of dilute Hydrochloric acid on iron (II) sulfide.
Advertisements
उत्तर
Dilute hydrochloric acid decomposes iron(II) sulfide to produce iron(II) chloride and hydrogen sulfide having rotten egg smell.
FeS + 2HCl → FeCl2 + H2S
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations to show The behavior of H2SO4 as an acid when it reacts with Magnesium
Name the gas that is produced in the given cases :
An action of dilute hydrochloride acid on sodium sulphide.
How will the action of dilute hydrochloric acid enable you to distinguish between sodium carbonate and sodium sulphite?
Give three distinct test [apart from using an indicator] you would carry out with solution of HCl to illustrate the typical properties of an acid.
State which component is the oxidizing agent in aqua regia.
What must be added to sodium chloride to prepare hydrogen chloride?
Write balanced equation for the following reaction:
Copper oxide and 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
Write an equation for the reactions of hydrochloric acid on manganese (IV) oxide.
A solution of hydrogen chloride in water is prepared. The following substances are added to separate portions of the solution :
| S.NO. | Substances added | Gas evolved | Odour |
| 1. | Calcium carbonate | ______ | ______ |
| 2. | Magnesium ribbon | ______ | ______ |
| 3. | Manganese (IV) oxide with heating | ______ | ______ |
| 4. | Sodium sulphide | ______ | ______ |
Complete the table by writing the gas evolved in each case and its odour.
