4. What are ambident nucleophiles? Explain with an example. 5. Predict all the alkenes that would be formed by dehydrohalogenation of the following halides with sodium ethoxide in ethanol and identify ...

CBSE Class 12 Important Chemical Reactions: The CBSE Class 12 Chemistry exam for 2026 is scheduled for February-March. The exam will cover physical, inorganic, and organic chemistry, so it’s important ...

The Central Board of Secondary Education (CBSE) will conduct the Class 12 Chemistry Board Exam on February 27, 2025. The exam will be held in a single shift from 10:30 AM to 1:30 PM. With only some ...