JEE Main 2023 Chemistry Question Paper Jan 25 Shift 2 is provided here. Candidates can download JEE Main 2023 Chemistry Question Paper PDF with Answer Key for Jan 25 Shift 2 using the link below. JEE Main Chemistry Question Paper Jan 25 shift 2 is divided into two sections, Section A with 20 MCQs and Section B with 10 numerical type questions.
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JEE Main 2023 Chemistry Question Paper Jan 25 Shift 2- Download PDF
| JEE Main 2023 25th Jan Shift 2 Chemistry Question Paper with Solution PDF |  Download |
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Match List I with List II:
Given are two statements:
Statement I: In froth flotation method a rotating paddle agitates the mixture to drive air out of it.
Statement II: Iron pyrites are generally avoided for extraction of iron due to environmental reasons.
In the light of the above statements, choose the
correct answer from the options given below
Which of the following represents the correct order of metallic character of the given elements?
Given below are two statements, one labeled as Assertion A and the other as Reason R:
Assertion A: The alkali metals and their salts impart characteristic color to reducing flame.
Reason R: Alkali metals can be detected using flame tests.
In the light of the above statements, choose the
most appropriate answer form the options given
below
What is the mass ratio of ethylene glycol (\(C_2H_6O_2\), molar mass = 62 g/mol) required for making 500 g of 0.25 molar aqueous solution and 250 mL of 0.25 molar aqueous solution?
Given two statements about dipole moments:
Statement I: Dipole moment is a vector quantity and by convention it is depicted by a small arrow with tail on the negative center and head pointing towards the positive center.
Statement II: The crossed arrow of the dipole moment symbolizes the direction of the shift of charges in the molecules.
In the light of the above statements, choose the
most appropriate answer from the options given
below
Given below are two statements, one labeled as Assertion A and the other as Reason R:
Assertion A: Butylated hydroxyl anisole when added to butter increases its shelf life.
Reason R: Butylated hydroxyl anisole is more reactive towards oxygen than food.
In the light of the above statements, choose the
most appropriate answer from the options given
below :-
Given below are several statements:
A. Ammonium salts produce haze in the atmosphere.
B. Ozone gets produced when atmospheric oxygen reacts with chlorine radicals.
C. Polychlorinated biphenyls act as cleaning solvents.
D. 'Blue baby' syndrome occurs due to the presence of excess sulphate ions in water.
Choose the correct answer from the options given
below :-
Match List I with List II:
Choose the correct answer from the options given
below :-
Which one among the following metals is the weakest reducing agent?
Match List I with List II:
Match List I with List II (Uses of polymers):
Choose the correct answer from the options given
below :-
Given below are two statements, one labeled as Assertion A and the other as Reason R:
Assertion A: Carbon forms two important oxides — CO and CO2. CO is neutral whereas CO2 is acidic in nature.
Reason R: CO2 can combine with water in a limited way to form carbonic acid, which is sparingly soluble in water.
Potassium dichromate acts as a strong oxidizing agent in acidic solution. During this process, the oxidation state changes from:
When the hydrogen ion concentration [H\(^+\)] changes by a factor of 1000, the value of pH of the solution:
Match List I with List II:
Find out the major product from the following reaction
Identify 'A' in the given reaction to produce the major product:
The isomeric deuterated bromide with molecular formula C\(_4\)H\(_9\)DBr having two chiral carbon atoms is:
A chloride salt solution acidified with dil. HNO\(_3\) gives a curdy white precipitate, [A], on addition of AgNO\(_3\). [A] on treatment with NH\(_4\)OH gives a clear solution, B. The correct products are:
The number of given orbitals which have electron density along the axis is:
P\(_x\), P\(_y\), P\(_z\), d\(_{xy}\), d\(_{yz}\),d\(_{xz}\), d\(_{z^2}\), d\(_{x^2-y^2}\)
Number of compounds giving (i) red colouration with ceric ammonium nitrate and also (ii) positive iodoform test from the following is:
The number of pairs of the solution having the same value of osmotic pressure from the following is:
A. 0.500 M \(\mathrm{C_2H_5OH}\) (aq) and 0.25 M \(\mathrm{KBr}\) (aq)
B. 0.100 M \(\mathrm{K_4[Fe(CN)_6]}\) (aq) and 0.100 M \(\mathrm{FeSO_4(NH_4)_2SO_4}\) (aq)
C. 0.05 M \(\mathrm{K_4[Fe(CN)_6]}\) (aq) and 0.25 M \(\mathrm{NaCl}\) (aq)
D. 0.15 M \(\mathrm{NaCl}\) (aq) and 0.1 M \(\mathrm{BaCl_2}\) (aq)
E. 0.02 M \(\mathrm{KCl}\) \(\mathrm{MgCl_2.6H_2O}\) (aq) and 0.05 M \(\mathrm{KCl}\) (aq)
28.0 L of \(\mathrm{CO_2}\) is produced on complete combustion of 16.8 L gaseous mixture of ethene and methane at 25°C and 1 atm. Heat evolved during the combustion process is ___ kJ.
Given:
\(\Delta H_c(\mathrm{CH_4}) = -900\) kJ/mol
\(\Delta H_c(\mathrm{C_2H_4}) = -1400\) kJ/mol
Total number of moles of AgCl precipitated on addition of excess of AgNO3 to one mole each of the following complexes: \(\(\mathrm{[Co(NH_3)_4Cl_2]Cl}\)\), \(\mathrm{[Ni(H_2O)_6]Cl_2}\), \(\mathrm{[Pt(NH_3)_2Cl_2]}\), and \(\mathrm{[Pd(NH_3)_4]Cl_2}\)\)
Number of hydrogen atoms per molecule of a hydrocarbon A having 85.8% carbon is:
Given: Molar mass of A = 84 g/mol
Pt(s)\(|\)H\(_2\)(g)(1bar)\(|\)H\(^+\)(aq)(1M)\(||\)\(M^{3+}(aq), M^+(aq)\)\(|\)Pt(s)
The \(E_{cell}\) for the given cell is 0.1115 V at 298 K when \(\frac{[M^+(aq)]}{[M^{3+}(aq)]} = 10^a\).
Given:
\(E^0_{M^{3+}/M^+} = 0.2\) V
\(2.303 \frac{RT}{F} = 0.059\) V
Based on the given figure, the number of correct statement/s is/are
A. Surface tension is the outcome of equal attractive and repulsion forces acting on the liquid molecule in bulk.
B. Surface tension is due to uneven forces acting on the molecules present on the surface.
C. The molecule in the bulk can never come to the liquid surface.
D. The molecules on the surface are responsible for vapor pressure if the system is a closed system.
A first order reaction has the rate constant, k = 4.6 \(\times 10^{-3} s^{-1}\). The number of correct statement/s from the following is/are
A. Reaction completes in 1000 s.
B. The reaction has a half-life of 500 s.
C. The time required for 10% completion is 25 times the time required for 90% completion.
D. The degree of dissociation is equal to \(1 - e^{-kt}\).
E. The rate and the rate constant have the same unit.
The number of incorrect statement/s from the following is/are
A. Water vapours are adsorbed by anhydrous calcium chloride.
B. There is a decrease in surface energy during adsorption.
C. As the adsorption proceeds, \(\Delta H\) becomes more and more negative.
D. Adsorption is accompanied by a decrease in entropy of the system.
Also Check:
JEE Main 2023 Chemistry
JEE Main 2023 Paper Analysis for January 25 Shift 2 Chemistry paper is updated here. Candidates can check the topics with the highest weightage, difficulty level and memory-based Chemistry questions for JEE Main 2023 Jan 25 shift 2 using the link below.
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- JEE Main 2023 Jan 25 Shift 1 Chemistry Question Paper with Solutions PDF
JEE Main 2023 Chemistry Question Paper Pattern
| Feature | Question Paper Pattern |
|---|---|
| Examination Mode | Computer-based Test |
| Exam Language | 13 languages (English, Hindi, Assamese, Bengali, Gujarati, Kannada, Malayalam, Marathi, Odia, Punjabi, Tamil, Telugu, and Urdu) |
| Exam Duration | 3 hours |
| Sectional Time Limit | None |
| Chemistry Marks | 100 marks |
| Total Number of Questions Asked | 20 MCQs + 10 Numerical Type Questions |
| Total Number of Questions to be Answered | 20 MCQs + 5 Numerical Type Questions |
| Marking Scheme | +4 for each correct answer |
| Negative Marking | -1 for each incorrect answer |
Also Check:
JEE Main 2022 Question Paper
JEE Main 2023 aspirants can practice and check their exam prep level by attempting the previous year question papers as well. The table below shows JEE Main 2022 Question Paper PDF for B.E./B.Tech to practice.
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