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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
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
State the inference drawn from the following observations:
Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.
Give one equation to show the following properties of sulphuric acid:
Dehydrating property
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
State one appropriate observation of the following:
Dehydration of concentrated sulphuric acid with sugar crystals.
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
Name the anion present in the following compound:
Compound D, when warmed with dilute sulphuric acid, gives a gas that turns acidified dichromate solution green.
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
