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Chemistry
List of top Chemistry Questions
The molar conductivities of a divalent cation (M
2+
) and monovalent anion (A
-
) are 57 S cm
-1
mol
-1
and 73 S cm
-1
mol
-1
respectively. Then find the total molar conductivity shown by their compound in S cm
-1
mol
-1
JEE Main
Chemistry
Conductance of Electrolytic Solutions
Sum of O atoms in A and B is ?
JEE Main
Chemistry
Nucleophilic and electrophilic substitution reactions (both aromatic and aliphatic)
Arrange the following carbocations in increasing order of their stability.
I)
\((CH_3)_3C^{\oplus}\)
II)
\((CH_3)_2\overset{{\oplus}}{C}H\)
III)
\(\overset{{\oplus}}{C}H_3\)
IV)
\(CH_3\overset{{\oplus}}{C}H_2\)
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Chemistry
Nucleophilic and electrophilic substitution reactions (both aromatic and aliphatic)
Which postulate of Dalton's theory is wrong
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Chemistry
Dalton’s Atomic Theory
The complex ions \([Co(NH_3)_5(NO_2)]^{2+
\) and \([Co(NH_3)_5(ONO)]^{2+}\) are called}
CBSE Class XII
Chemistry
Coordination chemistry
The diamagnetic species is :
At. No. Co = 27, Fe =26, Ni= 28]
CBSE Class XII
Chemistry
Coordination chemistry
Which one of the following has the highest dipole moment?
(i)CH
2
Cl
2
(ii)CHCl
3
(iii)CCl
4
CBSE Class XII
Chemistry
Haloalkanes And Haloarenes
Equanil drug is used for which disease?
JEE Main
Chemistry
tranquilizers
Which of the following molecule is an acidic oxide?
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Chemistry
Aldehydes, Ketones and Carboxylic Acids
Number of π bonds present in product B is:
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Chemistry
Chemical bonding and molecular structure
In an atom, how many electrons can have
(i) n = 4 (ii) m1 =1 (iii) ms = ½
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Chemistry
Quantum Mechanical Model of Atom
How many of the following have zero dipole moment $H_2S, CH_4, NH_3, BF_3, SO_2, NF_3$
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Chemistry
Dipole moment
Consider the following reaction: The product is
JEE Main
Chemistry
Hydrocarbons
Find out value of $C_p/C_y$ for an ideal gas undergoing reversible adiabatic process for which $P ∝ T^3$ is given
JEE Main
Chemistry
Thermodynamics
Which of the following is true regarding coagulation of egg:
JEE Main
Chemistry
Proteins
Find out E cell of the given cell M | M
2+
| | x
2-
|x.|
Eº
M
2+
I M
= 0.34 V
E°
x|x
2-
= 0.46 V
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Chemistry
EMF
Product B is:
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Chemistry
Chemical bonding and molecular structure
For a certain reaction, ΔH
r
is 400 kJ/mol and ΔS=0.2 kJ/mol K. Above what minimum temperature in Kelvin, the reaction becomes spontaneous.
JEE Main
Chemistry
Thermodynamics
Find out the shortest wavelength of paschen series for H- atom
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Chemistry
Bohr’s Model for Hydrogen Atom
Which of the following d-block elements has maximum unpaired electron in ground state electronic configuration?
JEE Main
Chemistry
d block elements
Match the column.
Column-I
(Compounds)
Column-II
(Configurations)
A.
TiCl
4
(1)
e
3
t
2
3
B.
FeO
4
2-
(2)
e
2
t
2
0
C.
FeCl
4
2-
(3)
e
2
t
2
3
D.
MnCl
4
2-
(4)
e
0
t
2
0
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Chemistry
coordination compounds
Which of the following statement is incorrect-
JEE Main
Chemistry
Enzymes
Among the following anions, identify the anion which gives pale yellow precipitate with aq. AgNO
3
. The precipitate is partially soluble in aq. NH
4
OH solution.
JEE Main
Chemistry
Trends in periodic table
IUPAC name of complex compound [Pt(Br)
2
(PPh
3
)
2
].
JEE Main
Chemistry
Nomenclature Of Organic Compounds
Consider following statements.
S1:
IUPAC name is 4-chloro-1,3-dinitrobenzene
S2:
IUPAC name is 2-methylaniline
JEE Main
Chemistry
Nomenclature Of Organic Compounds
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