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प्रश्न
Name the anion [negative ion] present in the following compound:
Compound D when warmed with dilute H2SO4 gives a gas which turns acidified potassium dichromate solution green.
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उत्तर १
Sulphuric acid, when treated with sulphites gives sulphate salts, water and sulphur dioxide gas. Sulphur dioxide turns potassium dichromate solution green. Thus, the negative ion is Sulphite ion.
उत्तर २
Compound D is Na2SO3 and anion is \[\ce{[SO^{2-}3]}\].
संबंधित प्रश्न
Write balanced chemical equations to show The dehydrating property of conc. Sulphuric acid with sugar.
Write balanced chemical equations to show how SO3 is converted to Sulphuric acid in the contact process.
Identify the acid in the following case:
The acid on mixing with lead nitrate solution produces a white precipitate, which is insoluble even on heating.
Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with carbon?
Name the following:
The precipitate obtained by treating aqueous barium chloride with dilute sulphuric acid.
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Sulphur dioxide
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with potassium nitrate?
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
Identify the salts P and Q from the observation given below:
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution. Which is soluble in ammonium hydroxide solution.
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
