JEE Main 28 January 2025 Chemistry Question Paper with Answer Key Solutions (Available)

Rini Maria

Updated On: January 30, 2025 02:05 PM

Download here the memory-based JEE Main 28 January 2025 Chemistry question paper with answer key solutions for both Shift 1 and Shift 2. Chemistry question paper PDF by top coaching institutes will also be available here.
JEE Main 28 January 2025 Chemistry Question Paper with Answer Key SolutionsJEE Main 28 January 2025 Chemistry Question Paper with Answer Key Solutions

JEE Main 28 January 2025 Chemistry Question Paper : The unofficial JEE Main Chemistry question paper with answer keys for January 28, 2025, is available to candidates on the website below. The solution keys were available following the conclusion of Shifts 1 and 2. Shifts 1 and 2 end edat 12 and 3 PM, respectively. Candidates will be asked to complete the question paper, and our subject matter experts will create the answers, which will be posted on the website below. Here, you will also see the responses from various coaching centers. Candidates can assess their test-taking performance in this way. Candidates can double-check their answers with the other answer keys if unsure about a particular response.

JEE Main 28 January 2025 Chemistry Shift 1 Question Paper with Answer Key Solutions

Check the JEE Main 28 January 2025 Chemistry question paper with answer key solutions for Shift 1 here:

Q.No. Questions Answers
1 What is the rate of reaction for releasing CO 2 (g) with aq. NaHCO 3 among the following?
1>3>2
2 i> ii> iii> iv
3
4 Which of the following pair have square pyramidal shape? BrF 5 , XeOF 4
5 Which of the following set of quantum numbers have same energy? c,d
6 Δ 1 H  of H(g) is 222kJ/ mol, Δ 1 H  of O(g) is 250kJ/ mol, Δ 1 H  of H 2 O is -248kJ/ mol. what is the value of Bond Energy of the O-H bond in H 2 O in kJ/ mol. 471
7 70% of mass solution of HNO 3 is taken heavy density 1.41 gm/ml. Calculate morality (Rounded off to nearest integer) 16
8 CH 3 CH 2 CH 2 NO 2 & CH 3 CH 2 CH 2 NC
10 A(Q), B(R), C(P), D(S)
11 Among the following the incorrect order of atomic radius is B> Al> Mg> F
12 1g of a non electrolyte solute (MW=256g/mol) dissolved in 50g of solvent, freezing point of solution lowered by 0.40K. Calculate the molal depression constant of solvent. 5
13 A compound contains 14.4% Carbon, 1.2% Hydrogen, and 84.4% Chlorine. Calculate empirical formula mass of compound. (Molar mass of C=12, H=1, Cl=35.5) 84
14
15 Statement I is incorrect and Statement II is correct
16 Which of the following has same energy in absence of electric and magnetic field for hydrogen atom 2s, 2p
17 Which of the following reactions /tests can be used to distinguish acetaldehyde and acetone D and E only
18 Which of the following give violet color in Borax bead test? Mn 2+
19 Which of the following compounds have the same number of lone pair on central atomas CIF 3 XeF - 5
20 Statement 1: For Titration of oxalic acid using KMnO 4 , warming of acid solution is required whereas in case of Ferrous Ammonium Sulphate, it is done at room temperature.
Statement 2: Fe 2+ converts to Fe 3+ ions during titration
Statement 1 and Statement 2 are correct

JEE Main 28 January 2025 Chemistry Shift 2 Question Paper with Answer Key Solutions

Candidates shall obtain the JEE Main 28 January 2025 Chemistry Shift 2 question paper with answer key solutions here:

Q.No.

Questions

Answers

1

Consider the following oxides:

V 2 O 3 , V 2 O 4 , V 2 O 5

Change in oxidation state of vanadium when amphoteric oxide reacts with acids to form VO 4 +

2

2

Which has maximum oxidising power among the following

MnO 4 -

3

Number of paramagnetic species among the following is

O 2 , O 2+ , O 2- NO 2 , NO, CO

5

4

How many of the following molecules are polar?
CH 4 , CCl 4 , CH 2 CL 2 , H 2 O, NH 3 , H 2 O 2 , O 2 F 2

5

5

Which of the following complex is paramagnetic

{NlCl 4 } 2-

6 30 gm of HNO 3 is added to a solution to prepare 75% w/w solution having density 1.25 g/mL. Volume of solution is 32 mL
7 Both S-Iand S-II statements are correct
8 For an elementary reaction
A + B  →   C + D
When volume becomes 1/3rd, rate of reaction becomes
9 times
9 A (i), B (ii), C (iii), D (iv)
10 The correct name of I & II in the following process is:
I- Sublimation
II-Deposition
11
12 Which of the following biomolecules doesn't contain C 1 - C 4 glycosidic linkage Sucrose
13 Consider the following statements
Statement I: In law of octaves, elements were arranged in ascending order of their atomic numbers.
Statement II: Lothar Meyer, plotted the physical properties against atomic weight.
Choose the correct answer from the options given below.
Both Statements I and II are incorrect
14 'C' can give Tollen's test
15 Consider the following oxides
V 2 O 3 , V 2 O 4 , V 2 O 5
Oxidation state of vanadium in amphoteric oxide is
+5
16 The bacterial life grows as per 1st order of kinetics.Which of the following graph is correct between N/N 0 and t?
17 How many of the following will give Benzoic acid on reaction with hot alkaline KMnO 4 ?
5
18 By passing current in 600 mL of NaCl solution pH increase to 12. Find current (i) if electrolysis occurs for 10 min/assume 100% efficiency 0.965

Also Read| Expected Important Topics for JEE Main 29 January 2025

JEE Main 28 January 2025 Chemistry Question Paper PDF Download

Download here JEE Main 28 Jan 2025 Chemistry question paper and answer key provided above in PDF format:

JEE Main 28 January 2025 Question Paper: Physics and Mathematics

To access the JEE Main 28 January 2025 question paper for other subjects and for both shifts, the download is provided here:

JEE Main 28 January 2025 Chemistry Question Paper PDFs by Coaching Institutions

Find the JEE Main 28 January 2025 Chemistry answer key and question paper PDFfor both Shift 1 and Shift 2, as released by Resonance, Aakash BYJU's, and Vedantu in the below table:

You may also find important |

Parameter Link
Safe Score Expected Safe Score in JEE Mains January 2025
Safe Percentile Expected Safe Percentile in JEE Main 2025 Session 1
Question Paper (All Days) JEE Main Question Paper January 2025 Shift 1 and 2
JEE Main Percentile to Marks Expected Marks for JEE Main Percentile January 2025
Cutoff Percentile JEE Main Expected Cutoff Percentile January 2025
Percentile Score JEE Main Expected Percentile Score January 2025
Cutoff Marks Minimum Marks in JEE Mains to Qualify for JEE Advanced 2025

Subject-wise JEE Mains Marks vs Percentile 2025 |

Upcoming Important Dates of JEE Mains 2025 Session 1

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JEE Main Previous Year Question Paper

2022 Physics Shift 1

2022 Physics Shift 2

2022 Chemistry Shift 1

2022 Chemistry Shift 2

2022 Mathematics Shift 1

2022 Mathematics Shift 2

2023 Chemistry Shift 1

2023 Mathematics Shift 1

2023 Physics Shift 2

2023 Mathematics Shift 2

2023 Chemistry Shift 2

2023 Physics Shift 1

2024 Chemistry Shift 1

2024 Mathematics Shift 2

2024 Physics Paper Morning Shift

2024 Mathematics Morning Shift

2024 Physics Shift 2

2024 Chemistry Shift 2

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