1.

A student heated some sulphur in a spatula and collected the gas 'X' . Which one among the following is correct about 'X' ?

Answer»

X is `SO_(2)` and it turns MOIST LITMUS to blue
X is `SO_(3)` and it turns moist litmus to red
X is `SO_(2)` and it turns moist litmus to red
X is `SO_(3)` and it turns DRY litmus to blue

Solution :`S + O_(2) to underset(X)(SO_(2)), SO_(2) + H_(2)O to underset("Sulfurous ACID")(H_(2)SO_(3))`


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