MCQ
The ring deuteration of phenol
- ✓Lowers the acidity
- BIncreases the acidity
- CImparts no effect
- DCauses amphoteric nature
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$Cu^{2+}_{(aq)} + e^-\to Cu^+_{(aq)}$ and
$Cu^+_{(aq)} + e^-\to Cu_{(s)}$
are $+0.15\,V$ and $+0.50\,V$ respectively. The value of $E^o_{Cu^{2+}/Cu}$ will be ............ $\mathrm{V}$

$I.$ They activate many enzymes
$II.$ They participate in the oxidation of glucose to produce $ATP$
$III.$ Along with sodium ions, they are responsible for the transmission of nerve signals