WBJEE 2025 Chemistry Question Papers with Solutions - Download Free PDF

WBJEEE Exam Pattern 2025

Download WBJEE Chemistry Question Paper

Students can download the WBJEE chemistry question paper after the exam according to student feedback.

WBJEE Previous Year Chemistry Question Papers

For WBJEE 2025 chemistry question papers with solutions, we are providing the previous year question paper of WBJEE Chemistry so that you can practice and understand questions. You can get it on the official website. You can look for a specific subject’s question paper. For example, if you are looking for Chemistry previous year question paper with solutions, you can get it separately.

(41) The number of lone pair of electrons and the hybridization of $\mathrm{Xenon}(\mathrm{Xe})$ in $\mathrm{XeOF}_2$ are $\mathrm{XeOF}_2$ অवूতে $\mathrm{Xenon}(\mathrm{Xe})$-बর नিঃসস্গ ইলেকষ্র্রন-জোড়ের সংথ্যা এবং সংকরায়ণ হন্ন

(A) $1, \mathrm{sp}^3$

(B) $1, \mathrm{dsp}^2$

(C) $3, \mathrm{dsp}^3$

(D) $2, \mathrm{sp}^3 \mathrm{~d}$

45. Adiabatic free expansion of idèal gas must be আদর্শ গ্যাসের্র ক্রদ্ধতাপীয় মুও্ত প্রসারণ হবে

(A) Isobaric (সমচাপীয়)

(B) Isochoric (সমজায়তनिक)

(C) Isothermal (সমোষ্ণ)

(D) Isoentropic (আাইসোএনট্রপ্রিক)

47. $360 \mathrm{~cm}^3$ of a hydrocarbon diffuses in 30 minutes, while under the same conditions $360 \mathrm{~cm}^3$ of SO gas diffuses in one hour. The molecular formula of the hydrocarbon is

একটি ইইড্রোকার্বনের $360 \mathrm{~cm}^3$ ব্যাপিত হতে 30 মিनिট সময় লাগে, যখন একই শর্তে সমআয়তন্নে $\mathrm{SO}_2$ গ্যাস ব্যাপिত .रতে 1 घन্টা সময় নেয়। হইইভ্রোকার্বনটির সহকেত হল

(A) $\mathrm{CH}_4$

(B) $\mathrm{C}_2 \mathrm{H}_6$

(C) $\mathrm{C}_2 \mathrm{H}_4$

(D) $\mathrm{C}_2 \mathrm{H}_2$

How to Download WBJEE 2025 Chemistry Question Paper with Solutions?

1. Go to the official WBJEE portal.
2. Look for ‘Answer Key’ or ‘Question Paper’ Section. Once the exam is over, the board usually uploads the question paper along with provisional and final answer keys.
3. Download the Chemistry Paper by clicking on the WBJEE 2025 Chemistry question paper PDF link to download it.
4. Check the Solutions/Answer key of any particular subject. The official answer key will be released in two stages:
   Provisional Answer Key (usually 1 week after the exam)
   Final Answer Key (after reviewing objections)
5. Save the WBJEE 2025 chemistry question papers with answers pdf and solutions for revision and practice.