The state of hybridization of $C_2, C_3, C_5$ and $C_6$ the hydrocarbon – <br> <br> is in the following sequence :

Question

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( A ) $sp,sp^3,sp^2,and \;sp^3 $
( B ) $sp, sp^2, sp^2 and sp^3$
( C ) $sp^3, sp^2, sp^2 and sp$
( D ) $sp, sp^2, sp^3 and sp^2$