Advertisements
Advertisements
Question
Define redox reaction.
Solution
Redox reactions are those in which reduction and oxidation both takes place simultaneously i.e. one substance is reduced while the other gets oxidised.
APPEARS IN
RELATED QUESTIONS
When SO2 gas is passed through saturated solution of H2S, the following reaction occurs:
SO2 + 2H2S → 2H2O + 3S
In this reaction, which substance is oxidised and which one is reduced?
TRUE \ FALSE
Hydrogen is a good oxidizing agent.
Identify from the reaction the reactants that undergo oxidation and reduction.
2Mg + O2 → 2MgO
Describe briefly the ionic concept of oxidation and reduction. Give an equation to illustrate.
Explain the term oxidation in term of addition and removal of oxygen/hydrogen with a suitable example.
Give two tests for a reducing agent.
Oxidising agents are also called as ______ because they remove electrons form other substances.
Oxidation is a process which involves ____________.
During the reaction of some metals with dilute hydrochloric acid, following observations are made.
Some bubbles of a gas are seen when lead (Pb) is reacted with the acid.
Explain this observation giving suitable reason.
State whether the given chemical reaction is a redox reaction or not. Justify your answer.
\[\ce{MnO_2 + 4HCl->MnCl_2 +2H_2O + Cl_2}\]