Hi aspirant,

NCERT is very important and beneficial for  Chemistry in examination like NEET and JEE. Every year numerous questions are asked from it. Sometimes direct question which have been mentioned in NCERT appear NEET examination. You should ensure that not a single topic is left unstudied in NCERT in chemistry and more in organic chemistry. The name reaction question usually come and is easy to get marks in them. Here I am listing some of the important name reaction:

• Sandmeyer Reaction
• Gattermann Reaction
• Balz-Schiemann Reaction
• Finkelstein Reaction
• Swarts Reaction
• Wurtz Reaction
• Wurtz-Fittig Reaction
• Fittig Reaction
• Riemer Tiemann Reaction
• Kolbe's reaction
• Rosemund Reaction
• Klemensen reaction
• Wolf-Kishner reaction
• Cannizaro's reaction
• Hell Volhard Zelinsky reaction
• Gabriel Pthalimide synthesis reaction
• Hoffman Bromamide Degradation reaction
• Gattermann Koch reaction

There can be more in number also. For more refrence and information on them please read NCERT thoroughly.

All the best.