A student mistakingly used a wet gas jar to collect sulphur dioxide. Which one of the following tests of the gas is likely to fail ?

Odour

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Effect on acidified

K_{2} C r_{2} O_{7}

solution

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Solubility test

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None of these

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Solution

The correct option is D None of these
Sulphur dioxide has a pungent,irritating smell and it is highly soluble in the atmospheric moisture as an environmental pollutant coming from the emissions of exhaust fumes reacting with water to form sulphonic or sulphuric acids. This gas is bubbled from the acidified dichromate solution giving a green colour of Cr(III) ions

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Similar questions

Q. The gas which has no effect on acidified

K_{2} C r_{2} O_{7}

K M n O_{4}

is :

Q. Four gas jars filled with sulphur dioxide gas were inverted into troughs of water by four students and the following observations and inference were reported:

(a) Water did not enter the gas jar and sulphur dioxide is insoluble in water.
(b) A Small amount of water entered the gas jar slowly and sulphur dioxide is sparingly soluble in water.
(c) Water rushed into the gas jar and sulphur dioxide is highly soluble in water.
(d) Water did not enter the gas jar and sulphur dioxide is soluble in water.

The correct set of observations and inference drawn is reported in :
(1) (a)
(2) (b)
(3) (c)
(4) (d)

Give a chemical test to distinguish between the following pairs of compounds:

Carbon dioxide gas and sulphur dioxide gas.

Q. Four gas jars filled with sulphur dioxide gas were inverted into troughs of water by four students

P, Q, R, S .

The following observations and inference were reported by them.

P :

Water did not enter the gas jar and sulphur dioxide is soluble in water.

Q :

Water rushed into the gas jar and sulphur dioxide is soluble in water.

R :

Water did not enter in the gas jar and sulphur dioxide is insoluble in water.

S :

A small amount of water entered the gas jar slowly and sulphur dioxide is sparingly soluble in water. Then the correct set of observations and inference is reported by,

State your observation for the following cases:
(i) Moist blue litmus is introduced into a gas jar of sulphur dioxide.
(ii) Dry red rose petals are placed in the jar of sulphur dioxide.
(iii) Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.

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