In which of the following reactions heterogeneous catalysis is involved?
(i) `2SO_(2)(g)+O_(2)(g) overset(NO(g))(to) 2SO_(3)(g)`
(ii) `2SO_(2)(g) overset(Pt(s))(to) 2SO_(3)(g)`
(iii) `N_(2)(g)+3H_(2)(g) overset(Fe(s))(to) 2NH_(3)(g)`
(iv) `CH_(3)COOCH_(3)(l)+H_(2)O(l) overset(HCl(l))(to)CH_(3)COOH(aq)+CH_(3)OH(aq)`

In which of the following reactins heterogenous catalysis is involved ? (i) 2SO_(2) (g) + O_(2) (g) overset(NO (g))to2SO_(3) (g) (ii) 2SO_(2) (g) overset(P (s)) to 2SO_(3) (g) (iii) N _(2)(g) + 3H_(2) (g) overset(Fe (s))to 2NH_(3) (g) (iv) CH_(3) COOCH_(3) (l) + H _(2) O (l) overset(HCl(l))to CH_(3) COOH (aq) + CH_(3) OH (aq)

In which of the following reactions heterogeneous catalysis involved- (a) 2SO_(2)(g)+O_(2)(g) overset(NO(g))to2SO_(3)(g) (b) 2SO_(2)(g) overset(Pt(s))to2SO_(3)(g) (c) N_(2)(g)+3H_(2)(g) overset(Fe(s)) to 2NH_(3)(g) (d) CH_(3)COOCH_(3)(l)+H_(2)O(l) overset(HCl(l) )to CH_(3)OH(aq)+CH_(3)COOH(aq)

In which of the following reactions heterogeneous catalysis is involved? (i) 2SO_2(g) + O_2(g) overset(NO(g))to 2SO_3(g) (ii) 2SO_2 (g) + O_2(g) overset(Pt(s))to 2SO_3(g) (iii) N_2(g) + 3H_2(g) overset(Fe(s))to 2NH_3(g) (iv) CH_3COOCH_3(l) + H_2O(g) overset(HCl(l))to CH_3COOH(aq) + CH_3OH (aq) options- a). (i), (iii) b) (ii), (iii), (iv) c) (i), (ii), (iii) d) (iv)

which of the following reations are examples for heterogeneous catalysis ? 2H_(2)O_(2)(l)overset(MnO_(2)(s))to2H_(2)O(l)+O_(2)(g) , 2SO_(2)(g)+ O_(2)(g)overset(NO(g))to 2SO_(3)(g) , 2SO_(2)(g)+ O_(2)(g)overset(NO(g))to 2SO_(3)(g) , CH_(3)COOC_(2)H_(5)(aq)+H_(2)O(l)overset(HCl(aq))toCH_(3)COOH(aq.)+ C_(2)H_(5)OH(aq.) .

How many of these reactions are homogeneously catalyzed ? (i) 2SO_(2)(g) + O_(2)(g) overset(NO(g))to 2SO_(3)(g) (ii) C_(12)H_(22)O_(11)(aq.) + H_(2)O(l) overset(H_(2)SO_(4)(l))to underset("Glucose")(C_(6)H_(12)O_(6)(aq.)) + underset("Fructose")(C_(6)H_(12)O_(6)(aq.)) (iii) 2SO_(3)(g) + O_(2)(g) overset(Pt(s))to 2SO_(3)(g) (iv) N_(2)(g) + 3H_(2)(g) overset(Fe(s))to 2NH_(3)(g) (v) 4NH_(3)(g) + 5O_(2)(g) overset(Pt(s))to 4NO(g) + 6H_(2)O(g) (vi) CH_(3)COOCH_(3)(l) overset(HCl(l))to CH_(3)COOH(aq) (vii) Vegetable oils (l) + H_(2)(g)overset(Ni(s))to Vegetable ghee (s).