Concentrated nitric acid is converted to sulphuric acid by the reaction with

sulphuric dioxide

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conc. sulphurous acid

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sulphur

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sulphur trioxide

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Solution

The correct option is C sulphur
When sulphur is boiled with concentrated nitric acid it is converted to sulphuric acid because nitric acid is reduced to $N O_{2}$ . Reaction is as follows:
$S + 6 H N O_{3} \to H_{2} S O_{4} + 6 N O_{2} + 2 H_{2} O$

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Similar questions

Q. Choose the correct word from the brackets to complete the sentences.
(i) Sulphur can be converted to sulphuric acid using ......... (concentrated/dilute) nitric acid.
(ii) Write the equation for the reaction in 2 (i).

Q. Assertion :In the Contact process, sulphur trioxide vapours are absorbed in concentrated sulphuric add and not in water to obtain sulphuric acid. Reason: Directly dissolving sulphur trioxide in water is not possible due to highly exothermic nature of the reaction. Acidic vapors are formed. Oleum is reacted with water to form conc. sulphuric ac

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Give reasons for the following:
(i) In the contact process, sulphur trioxide formed is dissolved in 98% sulphuric acid and not in water.
(ii) When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
(iii) When diluting concentrated sulphuric acid, the acid should be added to water and not water to the acid.
(iv) When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
(v) Sulphuric acid can form two kinds of salts with sodium chloride.
(vi) When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
(vii) When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
(viii) Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
(ix) When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
(x) Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
(xi) When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
(xii) Concentrated sulphuric acid must be stored in airtight bottles.
(xiii) Cotton clothes get burnt with concentrated sulphuric acid.
(xiv) H₂SO₄ cannot be prepared by heating sodium sulphate with conc. HCl or HNO₃.

Q. Nowadays picric acid is prepared by treating phonel first with concentrated sulphuric acid which converts is to phenol -2,-4 disulphonoc acid, and then with concentrated nitric acid to get 2,4,6- trinitrophenol. Can you write the equations of the reactions involved?

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Concentrated nitric acid is converted to sulphuric acid by the reaction with

The correct option is C sulphurWhen sulphur is boiled with concentrated nitric acid it is converted to sulphuric acid because nitric acid is reduced to NO2. Reaction is as follows:S+6HNO3→H2SO4+6NO2+2H2O

The correct option is C sulphur
When sulphur is boiled with concentrated nitric acid it is converted to sulphuric acid because nitric acid is reduced to $N O_{2}$ . Reaction is as follows:
$S + 6 H N O_{3} \to H_{2} S O_{4} + 6 N O_{2} + 2 H_{2} O$