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JEE Main
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Chemistry
List of top Chemistry Questions asked in JEE Main
Match List-I with the List-II
List-I
(Compound /
Species)
List-II
(Shape / Geometry)
(A) \(SF_4\)
(I) Tetrahedral
(B) \(BrF_3\)
(II) Pyramidal
(C) \(BrO_{3}^{-}\)
(III) See saw
(D) \(NH^{+}_{4}\)
(IV) Bent T-shape
Choose the correct answer from the options given below:
JEE Main - 2024
JEE Main
Chemistry
Chemical bonding and molecular structure
Functional group present in sulphonic acid is :
JEE Main - 2024
JEE Main
Chemistry
Nomenclature Of Organic Compounds
Match List-I with the List-II
List-I
Tetrahedral Complex
List-II
Electronic configuration
(A) TiCl
4
(I) e
2
, t
2
0
(B) [FeO
4
]
2-
(II) e
4
, t
2
3
(C) [FeCl
4
]
-
(III) e
0
, t
2
2
(D) [CoCl
4
]
2-
(IV) e
2
, t
2
3
Choose the correct answer from the options given below:
JEE Main - 2024
JEE Main
Chemistry
Electronic Configurations Of Elements And The Periodic Table
Match List-I with the List-II
List-I
Reaction
List-II
Type of redox reaction
(A) N
2
(g) + O
2
(g) → 2NO(g)
(I) Decomposition
(B) 2Pb (NO
3
)
2
(s)
→ 2PbO(s) + 4NO
2
(g) + O
2
(g)
(II) Displacement
(C) 2Na(s) + 2H
2
O(l)
→ 2NaOH(aq) + H
2
(g)
(III) Disproportionation
(D) 2NO
2
(g) + 2OH
-
(aq)
→ NO
2
-
(aq) + NO
3
-
(aq) + H
2
O(l)
(IV) Combination
Choose the correct answer from the options given below:
JEE Main - 2024
JEE Main
Chemistry
Chemical Reactions
DNA molecule contains 4 bases whoes structure are shown below. One of the structure is not correct, identify the incorrect base structure.
JEE Main - 2024
JEE Main
Chemistry
Biomolecules
Match List-I with the List-II
List-I
(Hybridization)
List-II
(Orientation in
Space)
(A) sp
3
(I) Trigonal
bipyramidal
(B) dsp
2
(II) Octahedral
(C) sp
3
d
(III) Tetrahedral
(D) sp
3
d
2
(IV) Square planar
Choose the correct answer from the options given below:
JEE Main - 2024
JEE Main
Chemistry
Hybridization
The ratio of number of oxygen atoms to bromine atoms in the product $Q$ is ___ $\times 10^{-1}$.
JEE Main - 2024
JEE Main
Chemistry
Tetravalence Of Carbon: Shapes Of Organic Compounds
For the reaction at $298 \, \text{K}$, $2\text{A} + \text{B} \rightarrow \text{C}$. $\Delta H = 400 \, \text{kJ mol}^{-1}$ and $\Delta S = 0.2 \, \text{kJ mol}^{-1} \, \text{K}^{-1}$. The reaction will become spontaneous above ____ $\text{K}$.
JEE Main - 2024
JEE Main
Chemistry
Thermodynamics
Match List-I with the List-II
List-I
(Molecule / Species)
List-II
(Property / Shape)
(A) \(SO_2Cl_2\)
(I) Paramagnetic
(B) NO
(II) Diamagnetic
(C) \(NO^{-}_{2}\)
(III) Tetrahedral
(D) \(I^{-}_{3}\)
(IV) Linear
Choose the correct answer from the options given below:
JEE Main - 2024
JEE Main
Chemistry
thermal properties of matter
Consider the given reaction, identify the major product P.
JEE Main - 2024
JEE Main
Chemistry
Aldehydes, Ketones and Carboxylic Acids
The ratio $\frac{K_P}{K_C}$ for the reaction:
JEE Main - 2024
JEE Main
Chemistry
Chemical Kinetics
Given below are two statements :
Statement I : Gallium is used in the manufacturing of thermometers.
Statement II : A thermometer containing gallium is useful for measuring the freezing point (256 K) of brine solution.
In the light of the above statement, choose the correct answer from the options given below :
JEE Main - 2024
JEE Main
Chemistry
Periodic Trends In Properties Of Elements
Mass of ethylene glycol (antifreeze) to be added to 18.6 kg of water to protect the freezing point at $-24^\circ C$ is ____ kg (Molar mass in g mol$^{-1}$ for ethylene glycol = 62, $K_f$ of water = 1.86 K kg mol$^{-1}$).
JEE Main - 2024
JEE Main
Chemistry
Solutions
The amount of electricity in Coulomb required for the oxidation of 1 mol of \( \text{H}_2\text{O} \) to \( \text{O}_2 \) is \[\_ \times 10^5 \, \text{C}.\]
JEE Main - 2024
JEE Main
Chemistry
Electrochemistry
Match List - I with List - II
Choose the correct answer from the options given below :
JEE Main - 2024
JEE Main
Chemistry
Coordination chemistry
Number of compounds which give reaction with Hinsberg's reagent is_______.
JEE Main - 2024
JEE Main
Chemistry
Amines
Given below are two statements :
Statement (I) : Dimethyl glyoxime forms a six-membered covalent chelate when treated with NiCl2 solution in presence of NH4OH.
Statement (II) : Prussian blue precipitate contains iron both in (+2) and (+3) oxidation states. In the light of the above statements,
choose the most appropriate answer from the options given below:
JEE Main - 2024
JEE Main
Chemistry
Coordination chemistry
The functional group that shows negative resonance effect is:
JEE Main - 2024
JEE Main
Chemistry
Resonance
Acid D formed in above reaction is :
JEE Main - 2024
JEE Main
Chemistry
Organic Reactions
In the given reactions identify A and B.
JEE Main - 2024
JEE Main
Chemistry
Reaction Mechanisms & Synthesis
The number of radial node/s for 3p orbital is:
JEE Main - 2024
JEE Main
Chemistry
Atomic Structure
\([ \text{Co(NH}_3)_6 ]^{3+}\) and \([ \text{CoF}_6 ]^{3-}\) are respectively known as:
JEE Main - 2024
JEE Main
Chemistry
Coordination chemistry
The set of meta directing functional groups from the following sets is:
JEE Main - 2024
JEE Main
Chemistry
Organic Chemistry - Some Basic Principles and Techniques
Select the compound from the following that will show intramolecular hydrogen bonding.
JEE Main - 2024
JEE Main
Chemistry
Hydrogen Bonding
Following Kjeldahl's method, 1g of organic compound released ammonia that neutralized 10 mL of 2M H\(_2\)SO\(_4\). The percentage of nitrogen in the compound is _________.%.
JEE Main - 2024
JEE Main
Chemistry
Some basic concepts of chemistry
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