Predict which of the following reaction will have appreciable concentration of reactants and products.
a) 'Cl_2(g) hArr 2 Cl_kg , K_c=5 xx 10^(-39)'
b) 'Cl_2(g)+2 NO_(g) hArr 2 NOCl_(g) , K_c=3.7 xx 10^8'
c) 'Cl_2(g)+2 NO_2(g) hArr 2 NO_2 Cl_(g) , K_c=1.8'

Which one of the following will have largest number of atoms? 1g Au (s) 1g Na(s) 1g Li (s) 1g Cl_2 (g)

Which of the following reactions will get affected by increasing of pressure? Also mention whether change will cause the reaction to go into forward or backward direction? i) 'COCl_2(g) hArr CO_(g)+Cl_2(g)' ii) 'C H_4(g)+2 S_2(g) hArr CS_2(g)+2 H_2 S_(g)' iii) 'CO_2(g)+C_(s) hArr 2 CO_(g)' iv) '2 H_2(g)+CO_ th ) hArr CH_3 OH_(g)' 'v) CaCO_3(s) hArr CaO_(s)+CO_2(g)' vi) '4 NH_3( g)+5 O_2(g ) hArr 4 NO_(g)+6 H_2 O_(g'

What is 'K_c' for the following equilibrium when the equilibrium concentration of each sub'stance is: [SO_2]=0.60 M,[O_2]=0.82 M and [SO_3]=1.90 M 2 SO_2(g)+O_2(g) hArr 2 SO_3(g)

For the reaction, 2Cl(g) rarr Cl_2(g) what are the signs of DeltaH and DeltaS ?

Justify that the following reaction is a redox reaction H_2S_(g) + Cl_(2(g)) rarr 2HCl_(g) + S_(s)

For the reaction PCl_5 harr PCl_3 + Cl_2 Write the expression of Kc'

Write the expression for the equilibrium constant, 'K_c' for each of the following reactions: i) '2 NOCl_(g)^ hArr 2 NO_(g)+Cl_2(g)' ii) '2 Cu(NO_3)_(s) hArr 2 CuO_(s)^2+4 NO_2(g)+O_2(g)' iii) 'CH_3 COOC_2 H_5(aq)+H_2 O_(l) hArr CH_3 COOH_(aq)+C_2 H_5 OH_(aq)' iv) 'F e_( (aq) ^(3+)+3 OH_ (aq)^- hArr F e(O H)_3(s)' v) 'I_2(s)+5 F_2 hArr 2 IF_5'

Identify the oxidants and reductants in the following reactions. a. CH_4(g)+4 Cl_2(g) rarr C Cl_4(g)+4 HCl(g) b. 2 H^+(aq)+MnO_2(s)+C_2 H_2 O_4(aq) rarr Mn^(2+)(aq)+2 CO_2(g)+2 H_2 O(l) c. Cl_2(g)+2 Br^-(aq) rarr 2 Cl^-(aq)+Br_2(aq)