JEE Main 202310 Apr, Evening shiftChemistryMediumPurification and Characterisation of Organic Compounds10× since 2010
In Carius tube, an organic compound '' is treated with sodium peroxide to form a mineral acid 'Y'.
The solution of is added to '' to form a precipitate 'Z'. 'Z' is used for the quantitative estimation of an extra element. '' could be