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.

Light green (compound 'A')overset(Delta)(to)"white Residue(B)"overset(

1.	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.
Answer» `SO_(2) and SO_(3)` `SO_(3) and SO_(2)` `SO_(2) and CO_(2)` `CO_(2) and CO` ANSWER :B