In the given reaction K_(2)Cr_(2)+XH_(2)SO_(4)+YSO_(2)rarrK_(2)SO_(4)+R_(2)(SO_(4))_(3)+ZH_(2)O X,Y,Z are

In the given reaction K_(2)Cr_(2)+XH_(2)SO_(4)+YSO_(2)rarrK_(2)SO_(4)+

1.	In the given reaction K_(2)Cr_(2)+XH_(2)SO_(4)+YSO_(2)rarrK_(2)SO_(4)+R_(2)(SO_(4))_(3)+ZH_(2)O X,Y,Z are
Answer» 1,3,1 4,1,4 3,2,3 2,1,2 Answer :a