WBJEE Chemistry Answer Key 2025: The answer key for the Joint Entrance Exam will be officially released by the WBJEEB by the first week of May. Meanwhile, students can check the unofficial answer keys for the Chemistry paper on this page. The unofficial keys will contain the questions and the correct answers for the physics paper. As per the exam pattern, a total of 40 objective-type questions were asked in the exam.
Based on student review, Physics questions were moderately difficult. Students interested in analysing their result before the official declaration of scores can refer to WBJEE Chemistry answer key 2025 given here.
Also Check |
- WBJEE Exam Analysis 2025: Question Paper Difficulty Level
- WBJEE Maths Answer Key 2025: Unofficial Key PDF
WBJEE 2025 Unofficial Chemistry Answer Key 2025
The table below contains WBJEE Chemistry answer key 2025 to help students evaluate their performance. We have added the memory-based questions and their correct responses.
|
Questions |
Answers |
|
Q1) Arrange compounds in order of their increasing acid strength |
C) I |
|
Q2) The number of lone pairs of electrons and the hybridization of Xenon(Xe) in XeOF2 are |
D) 2,sp3d |
|
Q3) the coagulating power of electrolytes having ions Na+, AI3+ and Ba2+ for AS2S3sol increases in the order |
B) NA+ |
|
Q4) The number of terminal and bridging hydrogens in B2H6 is respectively |
A) 4 and 2 |
|
Q5) As per the following equation, 0.217g of HgO(molecular mass = 217 g mol-1) reacts with excess iodide. On titration of the resulting solution, how many mL of 0-01 M HCl is required to reach the equivalence point?HgO+4l+H2O |
B) 200 mL |
|
Q6) An egg takes 4 minutes to boil at sea level, where the boiling point is T1K, whereas it takes 8 minutes to boil on a mountain top where the boiling of water is T2K. The activation of energy for the reaction takes place during the boiling of egg is |
D)0-693RT1T2/T1-T2 |
|
Q7) Which pair of ions can be separated by the precipitation method? |
A, C, and D |
|
Q8) X is an extensive property, and x is an intensive property of a thermodynamic system. Which of the following statements is correct |
A) and B) |
|
Q9) The bond order HeH+ is |
A) 1 |
|
Q10) 630 cm3 of a hydrocarbon diffuses in 30 minutes, while under the same conditions, 360 cm3 of So2 gas diffuses in one hour. The molecular form of the hydrocarbon |
A) CH4 |
|
Q11) X is an extensive property, and x is an intensive property of a thermodynamic system. Which of the following statements is/are true |
xX is extensive |
How to Calculate WBJEE Marks with Unofficial Key?
We have provided below the method by which students can predict the raw score by referring to WBJEE Chemistry answer key 2025/
- Find the unofficial answer keys on this page.
- Cross-check your responses with the keys.
- Award score for correct answers based on the marking pattern adopted in the exam.
- Add up the marks from the three categories and predict a raw score.