Fill in the blanks by choosing the appropriate word/words from those given in the brackets: [7, Zero, unstable electronic configuration, acids, 60, lone, pitch, greater, less, stable electronic . configuration, bases, peat, 50]
(i) In a basic solution, [`H_3O^+`] is______ than [`OH^(-)`] and pH is greater than_____at 298K..
(ii) The electron affinities of noble gases are equal to_due to their______.
(iii) Nucleophiles are Lewis_and possesses _______pair of electrons.
(iv) The first stage in the formation of coal in nature is ______ which contain _____ % of cartoon.