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Light green (compound 'A')overset(Delta)...

Light green (compound 'A')`overset(Delta)(to)"white Residue(B)"overset("high")underset("Temp.")C+D+E`
(i)'D' and 'E' are two acidic gas.
(ii) 'D' is passed through `HgCl_(2)` solution to give yellow ppt.
(iii) 'E' is passed through water first and then `H_(2)S` is passed, white turbidity is obtained.
(iv) A is water soluble and addition of `HgCl_(2)` in it, yellow ppt. is obtained but white ppt does not turn into grey on addition of excess solution of 'A'
Q. 'D' and 'E' are respectively.

A

`SO_(2) and SO_(3)`

B

`SO_(3) and SO_(2)`

C

`SO_(2) and CO_(2)`

D

`CO_(2) and CO`

Text Solution

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The correct Answer is:
B
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