JEE Main 2025 April 2 Chemistry Question Paper is available for download. NTA conducted JEE Main 2025 Shift 1 B.Tech Exam on 3rd April 2025 from 9:00 AM to 12:00 PM and for JEE Main 2025 B.Tech Shift 2 appearing candidates from 3:00 PM to 6:00 PM. The JEE Main 2025 2nd April B.Tech Question Paper was Moderate to Tough.
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JEE Main 2025 April 2 Shift 1 Chemistry Question Paper with Solutions
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Designate whether each of the following compounds is aromatic or not aromatic.
An optically active alkyl halide C\(_4\)H\(_9\)Br [A] reacts with hot KOH dissolved in ethanol and forms alkene [B] as major product which reacts with bromine to give dibromide [C]. The compound [C] is converted into a gas [D] upon reacting with alcoholic NaNH\(_2\). During hydration 18 gram of water is added to 1 mole of gas [D] on warming with mercuric sulphate and dilute acid at 333 K to form compound [E]. The IUPAC name of compound [E] is :
(1) But-2-yne
(2) Butan-2-ol
(3) Butan-2-one
(4) Butan-1-al
The property/properties that show irregularity in the first four elements of group-17 are:
Which of the following graph correctly represents the plots of \(K_H\) at 1 bar gases in water versus temperature?
- (2)
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(3)![]()
- (4)
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According to Bohr's model of hydrogen atom, which of the following statement is incorrect?
Two vessels A and B are connected via stopcock. Vessel A is filled with a gas at a certain pressure. The entire assembly is immersed in water and allowed to come to thermal equilibrium with water. After opening the stopcock the gas from vessel A expands into vessel B and no change in temperature is observed in the thermometer. Which of the following statement is true?
A solution is made by mixing one mole of volatile liquid A with 3 moles of volatile liquid B. The vapor pressure of pure A is 200 mm Hg and that of the solution is 500 mm Hg. The vapor pressure of pure B and the least volatile component of the solution, respectively, are:
Consider the above reaction, what mass of CaCl₂ will be formed if 250 ml of 0.76 M HCl reacts with 1000 g of CaCO₃?
If equal volumes of AB and XY (both are salts) aqueous solutions are mixed, which of the following combination will give precipitate of AY, at 300 K?
Among SO₃, NF₃, NH₃, XeF₂, CIF, and SF₆, the hybridization of the molecule with non-zero dipole moment and one or more lone-pairs of electrons on the central atom is:
Given below are two statements:
Statement I: Vanillin will react with NaOH and also with Tollen’s reagent.
Statement II: Vanillin will undergo self-aldol condensation very easily.
In the light of the above statements, choose the most appropriate answer from the options given below:
Identify the correct statement among the following:
The correct order of basic nature on aqueous solution for the bases \( NH_3 \), \( NH_2 \), \( CH_3 NH_2 \), \( CH_3 CH_2 NH_2 \), \( (CH_3 CH_2)_2 NH \) is:
Given below are two statements:
Statement I: The metallic radius of Al is less than that of Ga.
Statement II: The ionic radius of Al\(^{3+}\) is less than that of Ga\(^{3+}\).
In the light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement I: High spin complexes have high values of \( \Delta_o \).
Statement II: Low spin complexes are formed when \( \Delta_o \) is high.
In the light of the above statements, choose the most appropriate answer from the options given below:
Choose the correct sets with respective observations:
(1) \( CuSO_4 \) (acidified with acetic acid) + \( K_2Fe(CN)_6 \) (neutralized with NaOH) → Blue precipitate
(2) \( 2CuSO_4 \) + \( K_2Fe(CN)_6 \) → Blue precipitate
(3) \( 4FeCl_3 \) + \( 3K_4Fe(CN)_6 \) → \( \frac{1}{2}K_4Fe(CN)_6 \)
(4) \( 37Cl_2 \) + \( 2KFe(CN)_6 \) → 6KC1
In the light of the above options, choose the correct set:
On complete combustion 1.0 g of an organic compound (X) gave 1.46 g of CO₂ and 0.567 g of H₂O. The empirical formula mass of compound (X) is:
(Given molar mass in g mol\(^{-1}\): C: 12, H: 1, O: 16)
Consider the following compound (X):
The most stable and least stable carbon radicals, respectively, produced by homolytic cleavage of corresponding C - H bond are:
Consider the following molecules:
The order of rate of hydrolysis is:
A molecule with the formula \( A X_2 Y_2 \) has all it's elements from p-block. Element A is rarest, monotomic, non-radioactive from its group and has the lowest ionization energy value among X and Y. Elements X and Y have first and second highest electronegativity values respectively among all the known elements. The shape of the molecule is:
A transition metal (M) among Mn, Cr, Co, and Fe has the highest standard electrode potential \( M^{n}/M^{n+1} \). It forms a metal complex of the type \([M CN]^{n+}\). The number of electrons present in the \( e \)-orbital of the complex is …….
Consider the following electrochemical cell at standard condition.
\[ Au(s) | QH_2 | QH_X(0.01 M) \, | Ag(1M) | Ag(s) \, E_{cell} = +0.4V \]
The couple QH/Q represents quinhydrone electrode, the half cell reaction is given below: \[ QH_2 \rightarrow Q + 2e^- + 2H^+ \, E^\circ_{QH/Q} = +0.7V \]
0.1 mol of the following given antiviral compound (P) will weigh .........x \( 10^{-1} \) g.
Consider the following equilibrium,
\[ CO(g) + H_2(g) \rightleftharpoons CH_3OH(g) \]
0.1 mol of CO along with a catalyst is present in a 2 dm\(^3\) flask maintained at 500 K. Hydrogen is introduced into the flask until the pressure is 5 bar and 0.04 mol of CH\(_3\)OH is formed. The \( K_p \) is ...... x \( 10^7 \) (nearest integer).
Given: \( R = 0.08 \, dm^3 \, bar \, K^{-1} \, mol^{-1} \)
Assume only methanol is formed as the product and the system follows ideal gas behavior.
For the reaction \( A \rightarrow \) products,
The reaction was started with 2.5 mol L\(^{-1}\) of A.
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