Balance the following chemical equations and identify the type of reaction involved :
(a) `Na(s) + S(s) to Na_(2)S(s)`
(b) `H_(2)S(g) + O_(2)(g) to S(s) + H_(2)O(l)`
(c) `Fe_(2)O_(3)(s) + CO(g) to Fe(s) + CO_(2)(g)`
(d) `FeSO_(4)(s) to Fe_(2)O_(3)(s) + SO_(2)(g) + SO_(3)(g)`

Balance the following chemical equation and identify the type of chemical reaction. (a) Mg(s)+Cl_(2)(g) to MgCl_(2)(s) (b) HgO(s)overset("Heat")to Hg(l)+O_(2)(g) (c) Na(s)+S(s)overset("Fuse")toNa_(2)S(s) (d)TiCl_(4)(l)+Mg(s)toTi(s)+MgCl_(2)(s) , (e)CaO(s)+SiO_(2)(s)toCaSiO_(3)(s) (f) H_(2)O_(2)(l)overset("UV")to H_(2)O(l)+O_(2)(g)

For the system S (s) + O_(2)(g) rarr SO_(2)(g) ?

Write a balanced chemical equation : FeSO_(4)(s) overset("Heat")to Fe_(2)O_(3)(s) +SO_(2)(g) +SO_(3)(g)

Select (i) combination reactions (ii) decomposition reactions and displacement reactions from the following (i) ZnCO_(3)(s) to ZnO(s) + CO_(2)(g) (ii) Pb(s) + CuCl_(2)(aq) to PbCl_(2)(g) + Cu(s) (iii) H_(2)(g) + Cl_(2)(g) to 2HCl(g) (iv) Fe_(2)O_(3)(s) + 2Al(s) to Al_(2)O_(3)(s) + 2Fe(s) (v) 3H_(2)(g) + N_(2)(g) to 2NH_(3)(g) (vi) CaCO_(3)(g) overset("heat")to CaCO_(3)(g) + CO_(2)(g)

Complete the following reactions : (i) CaO(S)+H_(2)O(l) to (ii) Na_(2)O(S)+H_(2)O(l) to (iii) Fe(S) + H_(2)O(g) to (iv) CuO(S) + H_(2)(g) to (v) CO(g) + H_(2)(g) overset ( C o) to

Identify the substance oxidised and substance reduced in the following reactions : (i) ZnO(s) + C(s) to Zn(s) + CO(g) (ii) 2Na(s) + O_(2)(g) to 2Na_(2)O(s) (iii) CuO (s) + H_(2)(g) to Cu(s) + H_(2)O(l) .

What conclusion can be drawn from the following reactions about the nature of oxides? (1) 4Na(s) + O_2(g)rarr 2Na_(2)O(s); Na_(2)O(s) + H_(2)O(l) rarr 2NaOH(aq) (2) S(s) + O_2(g)rarr SO_(2)(g); SO_(2)(g) + H_(2)O(l) rarr H_(2)SO_(4)(aq)

Write the expressioin for the equilibrium constant for each of the following reactions? (i) 2NOCl(g) ltimplies 2NO(g) + Cl_(2)(g) (ii) C(s) +CO_(2) (g) hArr 2CO(g) (iii) I_(2) (s) + 5F_(2) (g) hArr 2IF_(5) (g) (iv) FeO(s) +CO(g) hArr Fe (s) +CO_(2)(g) (v) Na_(2) CO_(3) (s) + SO_(2) (g) +1//2O_(2) (g) hArr Na_(2)SO_(4)(s) + CO_(2) (g).

Predict the sign of DeltaS in the following processes. Give reasons for your answer : (a) N_(2)O_(4(g))to 2NO_(2(g)) (b) Fe_(2)O_(3(s)) + 3H_(2(g)) to 2Fe_((s)) +3H_(2)O_((g))