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JEE CHEMISTRY MCQ: REDOX REACTIONS
1
Hard
1 of 1
Analyzing
+4 | -1
Assertion :- Bromide ion is serving as a reducing agent in the reaction.
Reason :- Oxidation number of increases from to
Reason :- Oxidation number of increases from to
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Correct option: A
If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion
Option A is correct because the bromide ion is indeed acting as a reducing agent as its oxidation number increases from -1 to +5, which is the reason for its reducing property.
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The oxidation number of in sodium hydride is
A reagent, which can decrease the oxidation number of an element, is called
Consider the following decomposition reaction
In the above reaction, Assertion (A): acts as oxidizing agent.
Reason (R): Oxidation no. of nitrogen is +5, no increase in oxidation no. beyond +5 can occur. The oxidation no. of can only decrease. A substance, that by its sharp colour change indicates the completion of reaction is known as : The number of mole of ferrous oxalate oxidised by one mole of is:
In the above reaction, Assertion (A): acts as oxidizing agent.
Reason (R): Oxidation no. of nitrogen is +5, no increase in oxidation no. beyond +5 can occur. The oxidation no. of can only decrease. A substance, that by its sharp colour change indicates the completion of reaction is known as : The number of mole of ferrous oxalate oxidised by one mole of is: