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An aqueous solution of a gas (X) gives t...

An aqueous solution of a gas (X) gives the following reactions:
It decolourizes an acidified `K_(2)Cr_(2)O_(7)` solution.

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`X-SO_(2)`
`K_(2)Cr_(2)O_(7)+H_(2)SO_(4)+3SO_(2) rarr K_(2)SO_(4)+Cr_(2)(SO_(3))_(3)+H_(2)O`
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An aqueous solution of a gas (X) gives the following reactions : (a) It decolourises an acidified K_2 Cr_2 O_7 solution. (b) On boiling with H_2 O_2 , cooling it and then adding an aqueous solution of BaCl_2 , a precipitate insoluble in conc. HCl is obtained. (c) On passing H_2 S in the solution, white turbidity is obtained. Identify (X) and give equations for steps (a), (b) and (c) .

An aqueous solution of a gas (X) gives the following reactions : (i) It decolourizes an acified K_(2)Cr_(2)O_(7) . (ii) On boiling with H_(2)O_(2) , cooling it and then adding an aqueous solution of BaCI_(2) , a precipitate insoluble in dilute HCI is obtained. (iii) On passing H_(2)S gas in the solution, white turbidity is obtained. identify (X) and give equations for steps (i), (ii) and (iii).

SO_(2) reduces acidified K_(2)Cr_(2)O_(7) to

Which reaction is not possible using acidified K_(2)Cr_(2)O_(7) ?

Colour of acidified K_(2)Cr_(2)O_(7) is not changed by:

Hydrogen sulphide truns an acidified K_(2)Cr_(2)O_(7)

In the reaction with acidified K_(2)Cr_(2)O_(7) solution , SO_(2) acts as

When SO_(2) is passed through acidified K_(2)Cr_(2)O_(7) solution

MOTION-Salt Analysis-Exercise - 4 Level-II
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