Choose the appropriate word(s) from the bracket [first, zero, second, Raoult’s law, non-ideal…

Choose the appropriate word(s) from the bracket [first, zero, second, Raoult’s law, non-ideal, addition, substitution, Henry’s law, ideal, +I, more, -I, less, dehydrohalogenation]: Amines are ____ basic than ammonia, as the alkyl groups present in amines provide ____ effect.