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Recent questions tagged qualitative analysis
+3
votes
1
answer
MnO2, PbO2 and red lead react with conc. HCl acid liberates Cl2.
asked
Apr 7, 2019
in
JEE
by
kratos
hydrogen chloride
jee
class-10
icse
jee mains
study of compounds
qualitative analysis
p - block element
+2
votes
1
answer
Assertion: In the analysis of group III-******** NaOH can also be used as group reagent.
asked
Apr 6, 2019
in
JEE
by
kratos
jee
qualitative analysis
jee mains
+3
votes
1
answer
When Cu^2+ ion is treated with KI, a white precipitate is formed. Explain the reaction with the help of chemical equation.
asked
Apr 5, 2019
in
Class 12
by
kratos
neet
salt
cbse
jee
aiims
the d- and f- block elements
jee mains
class-12
qualitative analysis
+3
votes
1
answer
Potassium ferricyanide [potassium hexacyano ferrate (III)] has
asked
Apr 4, 2019
in
JEE
by
kratos
class-12
jee mains
coordination compounds
jee
transition elements
qualitative analysis
cbse
+1
vote
1
answer
Give examples and explain with equations: (i) Two colourless solution give a ***** ppt. on mixing.
asked
Apr 2, 2019
in
JEE
by
kratos
jee
qualitative analysis
jee mains
+1
vote
1
answer
An inorganic compound (A) in its aqueous solution produced a white ppt. With NaOH,
asked
Mar 30, 2019
in
JEE
by
kratos
jee
qualitative analysis
jee mains
+3
votes
1
answer
An inorganic halide (A) gives the following reactions. (i) The cation of (A) on raction with H2S in HCl medium, gives a ***** ppt. of (B).
asked
Mar 28, 2019
in
Class 12
by
kratos
jee mains
neet
jee
qualitative analysis
aiims
+1
vote
1
answer
A yellow solid (A) is unaffected by acids and bases. It is not soluble in water. It dissolves slowly in hot conc.
asked
Mar 27, 2019
in
JEE
by
kratos
jee
qualitative analysis
jee mains
+2
votes
1
answer
An inorganic substance liberates O2(g) on heating, turns acidified KI (aq) to brown colour
asked
Mar 24, 2019
in
Chemistry
by
kratos
practical chemistry
class-11
jee
hydrogen
stoichiometry
class-10
icse
jee mains
mole concept
qualitative analysis
+3
votes
1
answer
The best explanation for the solubility of MnS in dil. HCl in salt
asked
Mar 24, 2019
in
JEE
by
kratos
jee
qualitative analysis
jee mains
+1
vote
1
answer
Copper sulphate solution on treatment with excess of KI gives whitish precipitate. The precipitate is-
asked
Mar 21, 2019
in
JEE
by
kratos
salt
jee
jee mains
class-12
qualitative analysis
+2
votes
1
answer
A mixture of treads was treated as follows (i) The mixture was heated with manganese dioxide and concentrated sulphuric acid,
asked
Mar 17, 2019
in
JEE
by
kratos
jee
qualitative analysis
jee mains
+2
votes
1
answer
Identify the unknown species and complete the following
asked
Mar 17, 2019
in
JEE
by
kratos
jee
qualitative analysis
jee mains
+1
vote
1
answer
A compound (A) on heating with an excess of caustic soda solution liberates a gas
asked
Mar 16, 2019
in
JEE
by
kratos
jee
qualitative analysis
jee mains
+1
vote
1
answer
What are the products obtained when zinc metal is allowed to react with dilute solution of sodium hydroxide?
asked
Mar 16, 2019
in
JEE
by
kratos
cbse
class-8
jee main 2020
jee
class-10
jee mains
metals and non-metals
materials
qualitative analysis
p - block element
+3
votes
1
answer
(i) A metal present in cryolite other than sodium. (ii) A metal which is unaffected by dilute or concentrated acids.
asked
Mar 16, 2019
in
JEE
by
kratos
metallurgy
jee mains
class-10
acids bases and salts
icse
jee
qualitative analysis
cbse
+2
votes
1
answer
An inorganic compound (A) shows the following reactions. (i) It is white solid and exists as dimmer; gives fumes of (B) with wet air.
asked
Mar 11, 2019
in
JEE
by
kratos
jee
qualitative analysis
jee mains
+1
vote
1
answer
What is oxidation no. of Cr in K2 Cr2 O7
asked
Mar 9, 2019
in
Chemistry
by
kratos
d-and f- block elements
cbse
organic compounds
jee
containing oxygen
inorganic chemistry
jee mains
class-12
qualitative analysis
alcohols phenols and ethers
+2
votes
1
answer
Starting from insoluble ZnO how would you obtain insoluble ZnCO3 by precipitation.
asked
Mar 9, 2019
in
JEE
by
kratos
jee
acids bases and salts
class-10
icse
jee mains
qualitative analysis
+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
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