6767 Chapter : aldehyde andd ketons
22 Oct 2022
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C o group are called carbonyl compounds and. C o group is knownwn as carbonyl or oxo group. It"s general formula is cn h2no (n = 1, 2, 3) carbonyl compounds are grouped into two categories. It is a monovalent group ( b ) Ketones : the carbonyl group ( c o) is a ketonic group when its both the valencies are satisfied by alkyl group. Simple or symmetrical ketones : having two similar alkyl groups. (ii) Mixed or unsymmetrical ketones : having two different alkyl groups. Example : (ketones) : s y m m e t r i c a l. In all the compounds given above, lone pair of electrons and double bond are conjugate. C group still they are not carbonyl compounds because carbonyl group takes parts in resonance with the lone pair of electrons. C o compounds c-atom is sp2 hybridised which forms two bonds with c and h-atom respectively.
