JEE Main 18 March 2021 Shift 2 Solved Paper

Hybridisation of carbon a,b and c respectively are sp3,sp2 and sp2.
Here, a= carbon is sp3 hybridised with 3H atoms, b= carbon is sp2 hybridised with C=C,
C= carbon is sp2 hybridised within benzene ring as C=C.
Structure is as follows