`{:("Acid salt(A)",overset("heat")rarr(B) overset(HCl)rarr, (C) "gas "overset(Cr_(2) O_(7)^(2-)//H^(+))rarr (G) " green"),("Molar mass 84"," "darr BaCl_(2),darrCa(OH)_(2)),(," white ppt (D)","Milkyness"),(," solube in HCl","appears"),(," "darr Br_(2) "water",darr(G) "gas"),(,"White ppt(H)","Milkyness"),(,,"disappears (F)"):}`

Explanation

`{:(NaHSO_(3) overset("heat")rarr,Na_(2)SO_(3) " "overset(HCl)rarr,SO_(2) overset(Cr_(2)O_(7)^(2-)//H^(+))rarr Cr^(3+) ("green solution"),),(," "darrBaCl_(2) (aq),darrCa(OH)_(2)(aq),),(,BaSO_(3),CaSO(3) (aq),),(,darrBr_(2) "water",darrSO_(2),),(,BaSO_(4),CaHSO_(3),):}`