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प्रश्न
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain sulphur dioxide.
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उत्तर
\[\ce{\underset{Sodium Sulphite}{Na2SO3} + \underset{Dil.sulphuric acid}{H2SO4}-> \underset{Sulphur dioxide}{Na2SO4} + SO2 + H2O}\]
संबंधित प्रश्न
From the list of the following salts choose the salt that most appropriately fits the description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
An insoluble chloride.
Name the kind of particles present in carbonic acid.
Name the ion that turns blue litmus red.
Name the ions furnished by bases in solution.
Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
Define the term neutralization, if one mole of a strong acid reacts with one mole of a strong base, the heat produced is always the same. Why?
Give one example : A hydroxide which is highly soluble in water.
Give one example : A hydroxide which is insoluble in water.
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
B is an insoluble salt.
From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
An insoluble chloride.
