Some Basic Concepts of Chemistry - Result Question 29
Integer Answer Type Questions
29. Among the following, the number of elements showing only one non-zero oxidation state is $O, Cl, F, N, P, Sn, Tl, Na, Ti$
(2010)
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Answer:
Correct Answer: 29. (2)
Solution:
Only F and Na show only one non-zero oxidation state.
$\begin{aligned} \mathrm{O} & =\mathrm{O}^{-}, \mathrm{O}^{2-}, \mathrm{O}^{2+} ; \\ \mathrm{Cl} & =-1 \text { to }+7 \\ \mathrm{~N} & =-3 \text { to }+5 \\ \mathrm{P} & =-3 \text { to }+5 \\ \mathrm{Sn} & =+2,+4 \\ \mathrm{Tl} & =+1,+3 \text { (rare but does exist) } \\ \mathrm{Ti} & =+2,+3,+4 \end{aligned}$
BETA
