1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
(I) H2O2 + O3 $$ \to $$ H2O + 2O2
(II) H2O2 + Ag2O $$ \to $$ 2Ag + H2O + O2
Role of Hydrogen peroxide in the above reactions is respectvely
(II) H2O2 + Ag2O $$ \to $$ 2Ag + H2O + O2
Role of Hydrogen peroxide in the above reactions is respectvely
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
In acidic medium, H2O2 changes Cr2O72- to CrO5 which has two
($$-$$O$$-$$O$$-$$) bonds. Oxidation state of Cr in CrO5 is
($$-$$O$$-$$O$$-$$) bonds. Oxidation state of Cr in CrO5 is
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
When Cl2 gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?
Questions Asked from Redox Reactions (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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