# Which of the following chemical reaction will not feasible?

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Which of the following chemical reaction will not feasible?
A. PbO_(2)+dil.H_(2)SO_(4)rarrPbSO_(4)+H_(2)O+O_(2)
B. H_(2)SO_(3)+H_(2)OrarrH_(2)SO_(4)+H_(2)O_(2)
C. H_(2)O_(2)+N_(2)H_(4)rarrN_(2)+H_(2)O
D. Ti(SO_(4))_(2)+H_(2)O_(2)+2H_(2)OrarrH_(2)TiO_(3)+H_(2)SO_(4)