halide ions as reducing agents

Question 1

as you go down group 7 what happens to reducing power

Answer 1

reducing power increases

Question 2

what are the observations of the reaction between H2SO4 and NaCl

Answer 2

HCl- causes white steamy fumes

Question 3

what are the observations of the reaction between H2SO4 and NaBr

Answer 3

orange vapours due to Br2
choking gas due to SO2

Question 4

what are the observations of the reaction between H2SO4 and NaI

Answer 4

yellow solid S
purple vapour I2

foul smelling H2S

Question 5

if an element is being oxidised what does this mean in terms of oxidation state

Answer 5

if an element is being oxidised the oxidation state increases

Question 6

if an element is being oxidised what does this mean in terms of electrons

Answer 6

if an element is being oxidised it loses electrons

Question 7

if an element is being reduced what does this mean in terms of oxidation state

Answer 7

if an element is being reduced the oxidation state decreases

Question 8

if an element is being reduced what does this mean in terms of electrons

Answer 8

if an element is being reduced the number of electrons increases