- AReplication
- ✓Mutation
- CDuplication
- DDislocation
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Statement $I :$ Pure Aniline and other arylamines are usually colourless.
Statement $II :$ Arylamines get coloured on storage due to atmospheric reduction.
In the light of the above statements, choose the most appropriate answer from the options given below:
$(A)$ Ethane-$1\ 2$-diamine is a chelating ligand.
$(B)$ Metallic aluminium is produced by elecrtrolysis of aluminium oxide in presence of cryolite.
$(C)$ Cyanide ion is used as ligand for leaching of silver.
$(D)$ Phosphine act as a ligand in Wilkinson catalyst.
$(E)$ The stability constants of $\mathrm{Ca}^{2+}$ and $\mathrm{Mg}^{2+}$ are similar with $EDTA$ complexes.
Choose the correct answer from the options given below:
