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Standard XII
Chemistry
Oxides of Group 16
41.When sulph...
Question
41.When sulphur dioxide gas is passed through the solution of potassium iodate the oxidation state of iodine chnges from? (1)-+5 to 0 (2)+5 to -1 (3)-5 to 0 (4)-7 to -1
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Q.
when
S
O
2
is passed in a solution of potassium iodate, the oxidation state of iodine changes from :
Q.
When
S
O
2
is passed in a solution of potassium iodate, the oxidation state of iodine changes from
:
Q.
When sulphur dioxide gas is passed through acidified potassium dichromate solution, the colour of the solution changes from :
(1) orange to yellow
(2) orange to green
(3) green to orange
(4) yellow to green
Q.
Consider the disproportionation of Iodine to iodide and iodate ions. Using Oxidation method calculate the ratio of iodate and iodide ions formed in alkaline medium :
I
2
→
I
O
−
3
+
I
−
Q.
When sulphur dioxide is passed through potassium dichromate solution, the colour changes from
to
.
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