This chapter is currently out of syllabus
1
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Hydrogen peroxide oxidises [Fe(CN)6]4- to [Fe(CN)6]3- in acidic medium but reduces [Fe(CN)6]3- to [Fe(CN)6]4- in alkaline medium. The other products formed are, respectively :
A
H2O and (H2O + OH-)
B
(H2O + O2) and H2O
C
(H2O + O2) and (H2O + OH-)
D
H2O and (H2O + O2)
2
JEE Main 2017 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
In which of the following reactions, hydrogen peroxide acts as an oxidizing agent ?
A
HOCl + H2O2 $$ \to $$ H3O+ + Cl$$-$$ + O2
B
I2 + H2O2 + 2OH$$-$$ $$ \to $$ 2I$$-$$ + 2H2O + O2
C
2Mn$$O_4^ - $$ + 3H2O2 $$ \to $$ 2 MnO2 + 3O2 + 2H2O + 2OH$$-$$
D
PbS + 4H2O2 $$ \to $$ PbSO4 + 4H2O
3
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Identify the reaction which does not liberate hydrogen :
A
Reaction of zinc with aqueous alkali.
B
Electrolysis of acidified water using Pt electrodes.
C
Allowing a solution of sodium in liquid ammonia to stand.
D
Reaction of lithium hydride with B2H6.
4
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Identify the incorrect statement regarding heavy water :
A
It reacts with Al4C3 to produce CD4 and Al(OD)3 .
B
It is used as a coolant in nuclear reactors.
C
It reacts with CaC2 to produce C2D2 and Ca(OD)2 .
D
It reacts with SO3 to form deuterated sulphuric acid (D2SO4).
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