MCQ
The compound forms nitroso amines when the substituents are


- A${R_1} = C{H_3},\,{R_2} = {R_3} = H$
- B${R_1} = {R_2} = H,\,\,{R_3} = {C_2}{H_5}$
- ✓${R_1} = H,\,\,{R_2} = {R_3} = C{H_3}$
- D${R_1} = C{H_3},\,\,{R_2} = {C_2}{H_5},\,\,{R_3} = H$

Sec. amine reacts with Nitrous acid to form nitroso amine yellow liquid.
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| $pH$ at Isoelectric point | |
| $(Amino acid)_I$ | $6$ |
| $(Amino acid)_{II}$ | $9.8$ |
| $(Amino acid)_{III}$ | $3.9$ |
$(Amino acid)_{II}$ is ____ ?
$Mg\left( s \right) + \mathop {2A{g^ + }}\limits_{(0.0001\,M)} \to \mathop {M{g^{ + 2}}}\limits_{\left( {0.100\,M} \right)} + 2Ag\left( s \right)$
If $E_{cell}^o = 3.17\,V$