Final Notes 13

Question 1

Reversible topic 13 reactions

Answer 1

Haber process
NaOH Cl2 - NaCl NaOCl H2O
Steam methan reforming
Syngas

Question 2

Haber condition

Answer 2

45c
200atm
Finely divided iron

Question 3

Steam methane reforming condition

Answer 3

700-1000c
10atm
NiO s

Question 4

Syngas to methanol condition

Answer 4

250c
50 - 100 atm
Cu

Question 5

HI with H2O2

Answer 5

H2O2 + 2I- + 2H+ -> I2 + 2H2O

    Colourless        brown

Question 6

Thiosulphate with iodine from

H2O2+KI or OCl- + KI

Answer 6

2 S2O3 2- + I2 -> S4O6 2- + 2I- + starch

          Brown            blue black

Question 7

Activation energy

Answer 7

Minimum energy posessed by colliding reactant in order for a reaction to occur

Question 8

Atom economy vs yield

Answer 8

Atom e. Based on 100% completion

Yield - extent of reaction

Question 9

Water gas shift reaction

Answer 9

Reversible

CO2 + H2 - CO + H2O

Question 10

Toxic substances

Answer 10

NH3
Cl2
CH3OH plus flammable

Question 11

Hypochlorite with KI and H2SO4

Answer 11

OCl- + 2I- +H+ -> I2 + H2O + Cl-