MCQ
Hydrogen behaves as oxidising agent when it reacts with
- A$N_2$ to give $NH_3$
- B$Br_2$ to give $HBr$
- ✓$Ca$ to give $CaH_2$
- D$S$ to give $H_2S$
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$\begin{matrix}
\underset{X}{\mathop{H}}{{O}_{2}}C-C{{H}_{2}}-CH-C{{O}_{2}}\underset{Z}{\mathop{H}}\, \\
\,\,\,\,\,\,\,\,\,\,\,| \\
\,\,\,\,\,\,\,\,\,\,\,\,\,+N{{H}_{3}} \\
\end{matrix}$
The isoelectric point for the amino acid is

$Al_{(S)}+3Ag^+_{(aq)}\,(0.10\, M) \to Al^{+3}_{(aq)}\, (0.30\, M)+3Ag_{(S)}$,
the measured voltage $(E_{cell})$ is $1.50\, volt$. Calculate $E_{cell}^o$ ........... $\mathrm{volt}$
Given : $\frac{{2.303\,RT}}{F} = 0.06\,;\,\log \,3 = 0.48$