MCQ
Transition metal with low oxidation number will act as
- AA base
- BAn acid
- ✓An oxidising agent
- DNone of these
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phenol $\xrightarrow[{reaction}]{{\operatorname{Re} imer - Tiemann}}X\xrightarrow[{(ii)\,{H^ \oplus }}]{{(i)\,NaOH\,conc}}Z$
Product $Z$ is