MCQ
$IUPAC$ name for $K\left[ {Ag{{\left( {CN} \right)}_2}} \right]$ is
- APotassium argentocyanide
- BPotassium silver cyanide
- ✓Potassium dicyanoargentate $ (I)$
- DPotassium dicyanosilver $(II)$
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| Column $I$ (Mixture of compounds) | Column $II$ (Separation Technique) |
| $A$ $H _2 O / CH _2 Cl _2$ | $I$ Crystallization |
| $B$ $Image$ | $II$ Differential solvent extraction |
| $C$ Kerosene/Naphthalene | $III$ Column chromatography |
| $D$ $C _6 H _{12} O _6 / NaCl$ | $IV$ Fractional Distillation |
Correct match is : 
$(1)$ Denaturation of proteins causes loss of secondary and tertiary structures of the protein.
$(2)$ Denaturation leads to the conversion of double strand of $DNA$ into single strand.
$(3)$ Denaturation affects primary structure which gets distorted.
$Cu^{2+}_{(aq)} + e^- \rightarrow Cu^+_{(aq)}$ and $Cu^+_{(aq)} + e^- \rightarrow Cu_{(s)}$ are $+ 0.15\, V$ and $+ 0.50\, V$ respectively. The value of $E^o_{Cu^{2+}/Cu}$ will be ........ $V$
${C_6}{H_5}C{H_2}Br\xrightarrow[{(ii){H_3}{O^ + }}]{{(i)Mg.Ether}}X$
Product $X$ is