[X] + H base 2SO base 4 ? [Y] a colourless gas with irri9tating smell, [Y] + K base Cr base 2O base 7 + H base 2SO base 4 ? green solution. [X] and [Y] are:a. SO base 2^2-, SO base 2b. CI^-,HCIc. S^2-, H base 2Sd. CO base 3^2-,CO base 2
[X] + H base 2SO base 4 ? [Y] a colourless gas with irri9tating smell, [Y] + K base Cr base 2O base 7 + H base 2SO base 4 ? green solution. [X] and [Y] are:
a. SO base 2^2-, SO base 2
b. CI^-,HCI
c. S^2-, H base 2S
d. CO base 3^2-,CO base 2