If ionization of $\mathrm{X}_{\mathrm{a}} \mathrm{Y}_{\mathrm{b}}$ takes place then, number of $\mathrm{Y}^{\text {a }}$ ions will be equal to
(a) bla times of $\mathrm{X}^{+\mathrm{b}}$
(b) $a / b$ times of $X^{+b}$
(c) bla times of $\mathrm{X}^{a+}$
(d) equal to $\mathrm{X}^{+b}$