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SolutionsReactions between Molecules

1. Two conditions

Which two conditions must be met for a chemical reaction to take place at a reasonable rate?

A favourable energy balance between the bonds broken and the bonds formed, and the molecules must collide with the right orientation (effective collision).

2. Classify

Classify each species as an acid, a base, a nucleophile or an electrophile (some may be two of these):

  1. HCl
  2. NH3
  3. H+
  4. HO−
  1. Acid: it gives up a proton.
  2. Base and nucleophile: it has an unshared electron pair.
  3. Acid and electrophile: it has no electrons.
  4. Strong base and good nucleophile.

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