Question

Which is the hottest part of Bunsen flame?

• A. In the blue zone
• B. Just above the tip of the primary flame
• C. At the top of the outer core
• D. Just above the inner core

Answer 1

Answer: (B)

Just above the tip of the primary flame

The hottest part of the bunsen flame is just above the tip of the primary flame. It reaches about ${1500}^{o}C$.

This is the blue part of the bunsen flame, where the flame has the most oxygen.
Option $B$ is correct.