Give the hybridization of carbon in OCCl2, N in HONO2, and middle carbon in FCCCH3.

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OCCl2 : the carbon is sp^2  (trigonal planar)  Its double bonded to the O and sigma bonded with each Cl HONO2:  sp^2,  into trigonal planar.  N double bonds with one O while it sigma bonds with OH and the other O.  There may be resonance. FCCCH3:  sp^1      The middle carbon is triple bonded to the left carbon  and sigma bonded to the CH3