MCQ
$‘A’$ is


- A

- ✓

- C

- D







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$(1)$ $Y$ is diamagnetic in nature while $Z$ is paramagnetic
$(2)$ Both $Y$ and $Z$ are coloured and have tetrahedral shape
$(3)$ In both $Y$ and $Z , \pi$-bonding occurs between $p$-orbitals of oxygen and $d$-orbitals of manganese.
$(4)$ In aqueous acidic solution, $Y$ undergoes disproportionation reaction to give $Z$ and $MnO _2$.

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$IUPAC$ name of Compound $A$ is $4-$ chloro-$1$, $3$-dinitrobenzene:
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$IUPAC$ name of Compound $B$ is
$4$-ethyl-$2$-methylaniline.
In the light of the above statements, choose the most appropriate answer from the options given below: