MCQ
Phenol is more acidic than
- A

- B

- C${C_2}{H_2}$
- ✓Both $(a)$ and $(c)$


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$Cu(s) + 2Ag^+(aq) \to Cu^{+2}(aq)+2Ag(s)$
$E_{cell}^o= + 0.46\, volt$.
If the concentration of $Cu^{+2}$ ions is doubled then $E_{cell}^o$ will be

$STATEMENT-2$: The colour of the compound formed in the reaction of aniline with $\mathrm{NaNO}_2 / \mathrm{HCl}$ at $0^{\circ} \mathrm{C}$ followed by coupling with $\beta$-naphthol is due to the extended conjugation.
$CH_3-CH_2-COOH$ $\mathop {\xrightarrow{{(i)\,AgN{O_3}}}}\limits_{(ii)\,B{r_2}/\Delta } $ $[X]$
$[X]$ will be :
