B: CH3+
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The eight species that follow all have covalent bonds. In which pair do the species have different shapes from each o…
Which types of bonding are present in ammonium carbonate, (NH₄)₂CO₃? 1 ionic 2 covalent 3 co-ordinate (dative covalent)
Which molecule does not have any 90° or 180° bond angles?
Polymerisation of ethene gives poly(ethene). How does the bonding between carbon atoms in poly(ethene) compare with t…
Diols in which both hydroxy groups are bonded to the same carbon can spontaneously eliminate a molecule of water to p…
Propan-2-ol undergoes many reactions. Which row is correct?