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Recent questions tagged oxidation
+2
votes
1
answer
Balance the following equations in an acid medium by the ion-electron method or the half reaction method
asked
Apr 4, 2019
in
Chemistry
by
kratos
basic concepts of chemistry
cbse
class-11
redox reaction
reduction reaction
chemical calculations
oxidation
redox reactions
+1
vote
1
answer
When dihydroxyacetone reacts with HIO4 , the product is/are :
asked
Mar 29, 2019
in
Class 12
by
kratos
neet
class-11
aiims
reduction reaction
oxidation
alcohols phenols and ethers
p - block element
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vote
1
answer
Thermal decomposition of a Mn compound (X) at 513 K results in compound Y, MnO2 and gaseous product.
asked
Mar 24, 2019
in
Chemistry
by
kratos
basic concepts of chemistry
chemical bonding
class-11
jee
reduction reaction
jee mains
chemical calculations
oxidation
redox reactions
+2
votes
1
answer
The oxidation number of Mn in the product of alkaline oxidative fusion of MnO2 is
asked
Mar 23, 2019
in
Chemistry
by
kratos
oxidation-reduction
neet
class-11
aiims
physical chemistry
kvpy
reduction reaction
jee mains 2019
oxidation
redox reactions
class-12
+1
vote
1
answer
The Oxidation Number of Fe in [Fe (H2O)5 (NO)] SO4 is
asked
Mar 4, 2019
in
JEE
by
kratos
coordination
class-11
jee
reduction reaction
bseb model set
jee mains
oxidation
class-12
qualitative analysis
+1
vote
1
answer
(i) The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is ......... (Al/Cu/Zn/Fe)
asked
Feb 9, 2019
in
Chemistry
by
kratos
boron
electrochemistry
class-11
jee
hydrogen
alluminium
p-element
reduction reaction
jee mains
oxidation
class-12
+3
votes
1
answer
Arrange the following metals in the order in which they displace each other from the solution of their salts.
asked
Feb 9, 2019
in
Chemistry
by
kratos
electrochemistry
cbse
class-11
redox reaction
reduction reaction
oxidation
class-12
+2
votes
1
answer
The oxidation states of iodine in HIO4 , H3 IO5 and H5 IO6 are respectively
asked
Feb 2, 2019
in
Class 12
by
kratos
neet
class-11
aiims
reduction reaction
oxidation
alcohols phenols and ethers
p - block element
+2
votes
1
answer
Which one of the following is not oxidised by O3 ? State the reason : KI, FeSO4, K2MnO4, KMnO4
asked
Jan 17, 2019
in
Chemistry
by
kratos
oxidation-reduction
cbse
class-11
jee
physical chemistry
p-block element
the d- and f- block elements
reduction reaction
jee mains
oxidation
class-12
p - block element
+2
votes
1
answer
In the test for nitrate ion, the brown ring formed has a formula [Fe(H2O)5NO]SO4 . The oxidation number of iron in this complex is
asked
Dec 21, 2018
in
JEE
by
kratos
coordination compounds
coordination
class-11
jee
reduction reaction
jee mains
oxidation
class-12
qualitative analysis
+1
vote
1
answer
Concept of clemenson reduction
asked
Dec 7, 2018
in
Class 11
by
kratos
class-11
redox reaction
reduction reaction
oxidation
redox reactions
+3
votes
1
answer
KMnO4 can be prepared from K2MnO4 as per the reaction,
asked
Dec 1, 2018
in
Class 12
by
kratos
neet
class-11
reduction reaction
oxidation
equilibrium
+3
votes
1
answer
The equilibrium voltage of the cell, Zn /ZnSO4 (0.0125 M) ||Ag2SO4 (0.0125 M) / Ag
asked
Nov 11, 2018
in
Chemistry
by
kratos
class-11
reduction reaction
icho
oxidation
class-12
electro chemistry
+3
votes
1
answer
Thermite is a mixture of (a) Zn + Mg (b) Fe + Al (c) Fe2O3 + Al (d) Cu + Mg
asked
Nov 1, 2018
in
Chemistry
by
kratos
neet
electrochemistry
processes of isolation of elements
class-11
general principles
aiims
reduction reaction
oxidation
class-12
+2
votes
1
answer
Specify oxidation numbers of the metal K4[Fe(CN)6]
asked
Oct 31, 2018
in
Class 12
by
kratos
coordination compounds
coordination
class-11
reduction reaction
d- and f- block elements
oxidation
class-12
+1
vote
1
answer
Identify the oxidising agent (oxidant) in the following reactions:
asked
Sep 28, 2018
in
Class 11
by
kratos
class-11
class-10
reduction reaction
oxidation
chemical reactions and equations
+3
votes
1
answer
Balance the following equations in basic medium by ion-electron method and oxidation number methods
asked
Sep 5, 2018
in
Class 12
by
kratos
cbse
class-11
redox reaction
reduction reaction
oxidation
class-12
+3
votes
1
answer
The cell reaction of an electrochemical cell is Cu^+2(C1) + Zn → Zn^+2(C2) + Cu. The change in free energy will be the function of :
asked
Sep 3, 2018
in
Chemistry
by
kratos
neet
electrochemistry
class-11
aiims
reduction reaction
oxidation
class-12
electro chemistry
+3
votes
1
answer
The Oxidation Number of Fe in [Fe(H2O)5 (NO)]SO4 is
asked
Aug 25, 2018
in
JEE
by
kratos
coordination
class-11
jee
reduction reaction
bseb model set
jee mains
oxidation
class-12
qualitative analysis
+3
votes
1
answer
0.05M solution of K4 [Fe(CN)6] at 300K is 92% dissociated. Calculate the osmotic pressure of the solution.
asked
Aug 21, 2018
in
Class 12
by
kratos
solutions
acids
cbse
class-11
reduction reaction
bases
oxidation
class-12
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