List of top Chemistry Questions asked in JEE Advanced
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JEE Advanced
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Chemistry
List of top Chemistry Questions asked in JEE Advanced
Which ore contains both iron and copper?
JEE Advanced - 2005
JEE Advanced
Chemistry
General Principles and Processes of Isolation of Elements
Which of the following isomers of phosphorus is thermodynamically most stable?
JEE Advanced - 2005
JEE Advanced
Chemistry
p -Block Elements
Lyophilic sols are
JEE Advanced - 2005
JEE Advanced
Chemistry
Surface Chemistry
Which gas is evolved when
P
b
O
2
PbO_2
P
b
O
2
is treated with concentrated
H
N
O
3
HNO_3
H
N
O
3
?
JEE Advanced - 2005
JEE Advanced
Chemistry
p -Block Elements
A pale blue liquid obtained by equimolar mixture of two gases at
−
3
0
∘
C
- 30^\circ\, C
−
3
0
∘
C
is
JEE Advanced - 2005
JEE Advanced
Chemistry
p -Block Elements
Which of the following will not be oxidised by
O
3
O_3
O
3
?
JEE Advanced - 2005
JEE Advanced
Chemistry
d block elements
Which of the following
f
c
c
fcc
f
cc
structure contains cations in alternate tetrahedral voids?
JEE Advanced - 2005
JEE Advanced
Chemistry
The solid state
A metal nitrate reacts with KI to give a black precipitate which on addition of excess of KI convert into orange colour solution. The cation of metal nitrate is
JEE Advanced - 2005
JEE Advanced
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
2-phenyl propene on acidic hydration, gives
JEE Advanced - 2004
JEE Advanced
Chemistry
Hydrocarbons
Arrange in order of increasing acidic strength
JEE Advanced - 2004
JEE Advanced
Chemistry
reaction mechanism
The pair of compounds having metals in their highest oxidation state is
JEE Advanced - 2004
JEE Advanced
Chemistry
d block elements
HX is a weak acid (
K
a
=
1
0
−
5
K_a = 10^{ - 5}
K
a
=
1
0
−
5
).lt forms a salt Na (0.1M) on reacting with caustic soda. The degree of hydrolysis of Na X is
JEE Advanced - 2004
JEE Advanced
Chemistry
Equilibrium
0.004 MNa
2
S
O
4
_2SO_4
2
S
O
4
is isotonic with 0.01 M glucose. Degree of dissociation of Na
2
S
O
4
_2SO_4
2
S
O
4
is
JEE Advanced - 2004
JEE Advanced
Chemistry
Solutions
For a first order reaction,
(
A
)
→
(A)\to
(
A
)
→
product. Concentration of
A
A
A
, changes from
0.1
M
0.1\, M
0.1
M
to
0.025
M
0.025 \,M
0.025
M
in
40
40
40
minutes the rate of reaction of when concentration of
A
A
A
is
0.01
M
0.01 \,M
0.01
M
is :
JEE Advanced - 2004
JEE Advanced
Chemistry
Chemical Kinetics
Which of the following pairs give positive Tollen's test?
JEE Advanced - 2004
JEE Advanced
Chemistry
Chemistry in Everyday Life
The methods chiefly used for the extraction of lead and tin from their ores are respectively
JEE Advanced - 2004
JEE Advanced
Chemistry
Concentration of ores
The compound having tetrahedral geometry is
JEE Advanced - 2004
JEE Advanced
Chemistry
coordination compounds
Spin only magnetic moment of the compound
H
g
[
C
o
(
S
C
N
)
4
]
Hg[Co(SCN)_4]
H
g
[
C
o
(
SCN
)
4
]
is
JEE Advanced - 2004
JEE Advanced
Chemistry
Bonding in Metal Carbonyls
A sodium salt of an unknown anion when treated with
M
g
C
l
2
MgCl_2
M
g
C
l
2
gives white precipitate only on boiling. The anion is
JEE Advanced - 2004
JEE Advanced
Chemistry
GROUP 1 ELEMENTS
2-Hexyne gives trans-2-hexene on treatment with
JEE Advanced - 2004
JEE Advanced
Chemistry
Hydrocarbons
Which of the following has -O-O- linkage?
JEE Advanced - 2004
JEE Advanced
Chemistry
p -Block Elements
(
N
H
4
)
2
C
r
2
O
7
(NH_4)_2Cr_2 O_7
(
N
H
4
)
2
C
r
2
O
7
on heating gives a gas which is also given by
JEE Advanced - 2004
JEE Advanced
Chemistry
d block elements
Spontaneous adsorption of a gas on solid surface is an exothermic process, because
JEE Advanced - 2004
JEE Advanced
Chemistry
Surface Chemistry
When
I
−
I^-
I
−
is oxidised by
M
n
O
4
−
MnO_4^-
M
n
O
4
−
in alkaline medium,
I
−
I^-
I
−
converts into
JEE Advanced - 2004
JEE Advanced
Chemistry
d block elements
The correct statement(s) for orthoboric acid is/'are
JEE Advanced - 2004
JEE Advanced
Chemistry
p -Block Elements
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