Chemistry · JEE

Electronic concepts of oxidation and reduction, redox reactions, oxidation number, rules for assigning oxidation number and balancing of redox reactions Mock Test for JEE

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Q1ChemistryUnit 7: Redox Reactions and Electrochemistry

An oxidation process involves:

Q2ChemistryUnit 7: Redox Reactions and Electrochemistry

The reaction that takes place when

C l_{2}

gas is passed through conc. NaOH solution is :

Q3ChemistryUnit 7: Redox Reactions and Electrochemistry

In the atmosphere of industrial smog, copper corrodes to form: This question has multiple correct options

Q4ChemistryUnit 7: Redox Reactions and Electrochemistry

Identity the compound in which phosphorus exists in the oxidation state of +1

Q5ChemistryUnit 7: Redox Reactions and Electrochemistry

One mole of

H N O_{3}

absorbs 5 moles of electrons in a redox reaction. The reduced product of this reaction is :

Q6ChemistryUnit 7: Redox Reactions and Electrochemistry

In the following redox reaction:

\boldsymbol{Z} \boldsymbol{n}(\boldsymbol{s})+\boldsymbol{N} \boldsymbol{O}_{\boldsymbol{3}}^{-}(\boldsymbol{a} \boldsymbol{q})+\boldsymbol{H}^{+}(\boldsymbol{a} \boldsymbol{q}) \longrightarrow

Z n^{2+}(a q)+N H_{4}^{+}(a q)

Z n(s)

and

N O_{3}^{-}(a q)

respectively are respectively:

Q7ChemistryUnit 7: Redox Reactions and Electrochemistry

All dilute acids react with bleaching powder, liberating:

Q8ChemistryUnit 7: Redox Reactions and Electrochemistry

Out of the following redox reactions

\boldsymbol{I} \cdot \boldsymbol{N} \boldsymbol{H}_{4} \boldsymbol{N} \boldsymbol{O}_{3} \stackrel{\Delta}{\rightarrow} \boldsymbol{N}_{2} \boldsymbol{O}+\boldsymbol{2} \boldsymbol{H}_{2} \boldsymbol{O}

III.N

\boldsymbol{H}_{4} \boldsymbol{N} \boldsymbol{O}_{2} \stackrel{\Delta}{\rightarrow} \boldsymbol{N}_{2}+\mathbf{2} \boldsymbol{H}_{2} \boldsymbol{O}

IIII.PCl

_{5} \stackrel{\Delta}{\rightarrow} P C l_{3}+C l_{2}

disproportionation is not shown in:

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