6(iii)
Arrange the following as per the instructions given in the brackets:
(a) Carbon, Fluorine, Beryllium (decreasing order of atomic size)
(b) Sulphuric acid, Phosphoric acid, Acetic acid (increasing order of number of replaceable H atoms per molecule)
(c) Potassium, Lithium, Sodium (increasing order of ionization potential)
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(a) Beryllium > Carbon > Fluorine
(b) Acetic acid < Sulphuric acid < Phosphoric acid
(c) Potassium < Sodium < Lithium