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Recent questions tagged oxidation-reduction
+2
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1
answer
Select the nature or type of redox change in the following reactions :
asked
Mar 27, 2019
in
Chemistry
by
kratos
oxidation-reduction
class-12
class-11
physical chemistry
+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
Coordination number of underlined or mentioned atom is greater than or equal to 4 in how many of the following ?
asked
Feb 23, 2019
in
Chemistry
by
kratos
oxidation-reduction
cbse
jee main 2020
the p block elements
class-11
jee
physical chemistry
jee main 2021
coordination compounds
jee main
class-12
+3
votes
1
answer
How many mole of FeSO4, H2C2O4 and FeC2O4 are oxidised separately by one mole of KMnO4 in acid medium.
asked
Feb 23, 2019
in
Chemistry
by
kratos
oxidation-reduction
class-11
physical chemistry
jee mains 2019
class-12
+1
vote
1
answer
Ba (MnO4)2 can oxidise FeC2O4 into Fe^+3 ions and CO2 in acid medium. What is the equivalent weight of FeC2 O4 is
asked
Feb 17, 2019
in
Chemistry
by
kratos
oxidation-reduction
neet
electrochemistry
class-11
physical chemistry
jee mains 2019
class-12
+2
votes
1
answer
Write the half reactions for the following redox reactions : (a) 2Fe3+(aq ) + 2l-(aq) ------> 2Fe2+(aq ) + I2(aq )
asked
Feb 4, 2019
in
Chemistry
by
kratos
oxidation-reduction
class-12
class-11
physical chemistry
+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
+3
votes
1
answer
The oxidation numbers of phosphorus in Ba(H2PO2)2 and Xenon in Na4XeO6 respectively are
asked
Nov 27, 2018
in
Chemistry
by
kratos
oxidation-reduction
class-11
upsee
physical chemistry
class-12
+1
vote
1
answer
Write the resonance structures of CO3 2− and HCO3 −.
asked
Nov 1, 2018
in
Chemistry
by
kratos
oxidation-reduction
chemical bonding
class-11
jee
physical chemistry
molecular structure
jee mains
class-12
p - block element
+3
votes
1
answer
Determine the ox. no. of underlined atom in each of the following : (a) KQrO3Cl, (b) K2FeO4, (c) Ba(H2PO2)2
asked
Oct 31, 2018
in
Chemistry
by
kratos
oxidation-reduction
class-12
class-11
physical chemistry
+3
votes
1
answer
Consider the following statements (i) Reaction 2Fe3^+
asked
Sep 21, 2018
in
Chemistry
by
kratos
oxidation-reduction
cbse
class-11
jee
physical chemistry
jee mains
class-12
p - block element
+1
vote
1
answer
The number of ***** of ferrous oxalate oxidised by one mole of KMnO4 is
asked
Sep 20, 2018
in
Chemistry
by
kratos
oxidation-reduction
neet
class-11
physical chemistry
transition and inner transition elements
redox reactions
class-12
bitsat
+2
votes
1
answer
In acidic medium, KMnO4 oxidises FeSO4 solution. Which of the following statements is correct?
asked
Aug 10, 2018
in
Chemistry
by
kratos
oxidation-reduction
class-11
jee
physical chemistry
jee mains 2018
jee mains
class-12
bitsat
+3
votes
1
answer
Determine the oxidation number of C in the following: C2H6, C4H10, CO, CO2 and HCO3^–
asked
Jul 4, 2018
in
Chemistry
by
kratos
oxidation-reduction
cbse
class-11
physical chemistry
redox reaction
class-10
carbon and its compounds
class-12
+3
votes
1
answer
Identify the substance acting as oxidant or reductant if any in the following : (i) AICI3 + 3K ------> Al + 3KCI
asked
Jun 10, 2018
in
Chemistry
by
kratos
oxidation-reduction
class-12
class-11
physical chemistry
+1
vote
1
answer
Number of electrons transfered in each case when KMnO4 acts as an oxidising agent to give MnO2 ,Mn^2+ , Mn (OH)3 and MnO4^2- are respectively.
asked
May 31, 2018
in
Chemistry
by
kratos
oxidation-reduction
redox reactions & electrochemistry
class-11
jee
physical chemistry
jee mains
class-12
halogens family
+3
votes
1
answer
The oxidation number of C in CH2O is a) -1 b) +2 c) zero d) -4
asked
May 18, 2018
in
Chemistry
by
kratos
oxidation-reduction
basic concepts of chemistry
electrochemistry
solutions
haloarenes
class-11
jee
physical chemistry
haloalkanes
redox reaction
jee mains
chemical calculations
class-12
+3
votes
1
answer
Arrange the following in order of: (a) Increasing oxidation no. of Mn: MnCl2, MnO2, Mn(OH)3, KMnO4
asked
May 2, 2018
in
Chemistry
by
kratos
oxidation-reduction
class-12
class-11
physical chemistry
+2
votes
1
answer
FeC2O4, Fe2(C2O4)3,FeSO4, Fe(SO4)3 one mole each, will react with how many ***** of acidified KMnO4
asked
Apr 3, 2018
in
Chemistry
by
kratos
oxidation-reduction
some basic concepts of chemistry
basic concepts of chemistry
class-11
jee
physical chemistry
jee mains 2019
transition and inner transition elements
jee mains
chemical calculations
class-12
+2
votes
1
answer
Point out the oxidation number of C in the following : CH4, C3H8, C2H6, C4H10, CO, CO2 and HCO3 -, CO3^2-
asked
Mar 23, 2018
in
Chemistry
by
kratos
oxidation-reduction
class-11
physical chemistry
redox reaction
class-12
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