Reaction of Halide Ions and Disproportionation Reaction

What is the strongest reducing agent?

• Bromine

• Chlorine

• Fluorine

• Iodine

Silver nitrate have been added into an unknown halide solution, what is the anion contained?

• Bromide

• Iodide

• Chloride

What is spectator ion in this reaction?

• Halide ion

• Silver ion

• Nitrate ion

Why HBr and HI cant be prepared by the reaction with H2SO4?

• H2SO4 is strong reducing agent

• Br- and I- cant react with H2SO4

• They will further undergo reduction

• HBr and HI are easy to decompose

It gets easier to oxidise the hydrogen halides going ___ group 17.

The halide ions are increasingly effective as ___ agent going down group 17.

Product of oxidation of HI by the reaction with H2SO4 are ___.

• Sulphur

• Sulphur dioxide

• Iodine

• Hydrogen sulfide

What is disproportionation reaction?

• Actual reaction that take place doesn't depend on temperature.

• A redox reaction

• Self reduction/oxidation reaction

• Neutralisation reaction

.

• H

• N

• O

• H and O

Which substance undergoes disproportionation?

• P4

• H2O

• OH-

• PH3