Yes, solving previous years' papers of UPSC Chemistry optional can definitely help in time management during the actual exam. Here's how:

Understanding the Exam Pattern:
- Solving previous years' papers gives you a clear understanding of the exam pattern, the type of questions asked, and the weightage given to different topics.
- By familiarizing yourself with the pattern, you can strategize your time allocation accordingly, focusing more on important topics and allocating less time to less significant ones.

Time Allocation:
- Solving previous years' papers helps you gauge the average time required to solve each question or section.
- By timing yourself while solving these papers, you can develop a sense of how much time to allocate to each question during the actual exam.
- This helps in preventing time wastage on difficult questions and ensures that you have ample time for all sections.

Identification of Important Topics:
- By solving previous years' papers, you can identify the recurring topics and concepts that are frequently asked in the exam.
- This enables you to prioritize your preparation, focusing more on these important topics while allocating less time to less frequently asked ones.
- By doing so, you can effectively manage your time during the actual exam, ensuring that you give more attention to the topics that are more likely to be asked.

Increase in Speed and Accuracy:
- Regularly solving previous years' papers helps in improving your speed and accuracy in solving questions.
- As you practice more, you become familiar with the types of questions, which reduces the time taken to understand and solve them.
- By developing a systematic approach and practicing time-bound solving, you can increase your efficiency during the actual exam, saving time for other questions.

Revision and Confidence Building:
- Solving previous years' papers serves as a comprehensive revision of the entire syllabus.
- By revisiting the topics and concepts through these papers, you reinforce your understanding, fill in any knowledge gaps, and build confidence in your preparation.
- This confidence helps in managing your time effectively during the exam, as you can quickly recall and apply the learned concepts without wasting time on second-guessing.

In conclusion, solving previous years' papers of UPSC Chemistry optional can greatly assist in time management during the actual exam. By understanding the exam pattern, allocating time effectively, identifying important topics, increasing speed and accuracy, and building confidence, you can optimize your performance and ensure efficient time utilization.