$(2008,4$ M)
(a) $1 / 4$
(b) $1 / 2$
(c) $1$
(d) $2$
Correct Answer: 45.(a)
Solution:
$ \therefore \quad \frac{K _H}{K _{He^{+}}}=(\frac{1}{2}){ }^{2}=\frac{1}{4} $
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