The number of reactions that gives SO_(2) gas : (a) Cu+"conc. "H_(2)S – InterviewSolution

1.	The number of reactions that gives SO_(2) gas : (a) Cu+"conc. "H_(2)SO_(4)rarr (b) Zn +"dil. "H_(2)SO_(4)rarr (c ) S+H_(2)SO_(4)rarrr (d) FeS_(2)+O_(2)rarr (e ) NaHSO_(3)+"dil. "H_(2)SO_(4)rarr (f) H_(2)SO_(4)+PCl_(5)rarr
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