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Devesh Lal
Subject: Chemistry
, asked on 20/5/18
If in a redox reaction more than one substance is undergoing reduction then which substance do we consider?
Answer
4
Devesh Lal
Subject: Chemistry
, asked on 20/5/18
As2S3 +NO3- =AsO4- + S + NO2 ...Oxidation number method only pls
Answer
1
Devesh Lal
Subject: Chemistry
, asked on 20/5/18
Al + NO3- =Al(OH)4-{only - is the charge} + NH3....Pls help I am not able to solve this...Use oxidation no method only
Answer
1
Devesh Lal
Subject: Chemistry
, asked on 20/5/18
Have i solved ans 7 correctly?
Answer
1
Devesh Lal
Subject: Chemistry
, asked on 19/5/18
Balance this equation pls
Answer
1
Devesh Lal
Subject: Chemistry
, asked on 16/5/18
How is charge of Pb +2 in PbOH3...???
Answer
1
Devesh Lal
Subject: Chemistry
, asked on 16/5/18
I am unable to understand half reaction method...Is it ok if I only know oxidation no method?
Answer
1
Devesh Lal
Subject: Chemistry
, asked on 16/5/18
Q. What is the charge in Pb02 and Pb(OH)3-
P
b
O
2
→
P
b
O
H
3
-
Answer
1
Devesh Lal
Subject: Chemistry
, asked on 16/5/18
How to calculate charge in a molecule?
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 26/4/18
Write the balanced disproportionation reaction of clo- to Cl- and clo3- . Show the steps involved in detail.
Answer
1
Aviral
Subject: Chemistry
, asked on 14/4/18
Example 20. Calculate equivalent weight of NaOH in following
3
B
r
2
+
6
N
a
O
H
→
5
N
a
B
r
+
N
a
B
r
O
3
Answer
3
Aayushi Rohilla
Subject: Chemistry
, asked on 10/4/18
Ques 1. Which of the following is not an oxidizing agent?
(A) Oxygen
(B) Conc. Suplhuric acid
(C) Hydrogen
(D) Chlorine
Answer
1
Sakshi Naik
Subject: Chemistry
, asked on 10/4/18
Pls solve 5 que...it is a multi correct question
Answer
3
Mitali
Subject: Chemistry
, asked on 28/3/18
How do we determine whether it acts as a base or an acid..??!
In the following reactions, ZnO is
respectively acting as a/an :
(a) ZnO+ Na
2
O
→
Na
2
ZnO
2
(b) ZnO +CO
2
→
ZnCO
3
A)
base and base
B) acid and acid
C) acid and base
D) base and acid
Solution
(a) ZnO + Na
2
O
→
Na
2
ZnO
2
(b) ZnO + CO
2
→
ZnCO 3
Answer
3
Mitali
Subject: Chemistry
, asked on 26/3/18
Solution please the answer to this quest is given(-0.036V)
Answer
1
1
2
3
4
5
Next
What are you looking for?
(A) Oxygen
(B) Conc. Suplhuric acid
(C) Hydrogen
(D) Chlorine
In the following reactions, ZnO is
respectively acting as a/an :
(a) ZnO+ Na2O Na2ZnO2
(b) ZnO +CO2 ZnCO3
A) base and base
B) acid and acid
C) acid and base
D) base and acid
Solution
(a) ZnO + Na2O Na2ZnO2
(b) ZnO + CO2 ZnCO 3