Mechanism Zone......

Deviation from word ""sikho " here ....I ma using Zone..

new reactions....old mechanisms...mostly full reactions will be posted here.....and very less identification job...but still at some places it may be reqd...

All these mech I have already done so feel free to ask for help[1]

First 3 questions are here as follows.....New updates as soon as these are solved[1]....

Propose the mechanisms for the following reactions