MCQ
Which of the following is least ionic
- ✓${C_2}{H_5}Cl$
- B$KCl$
- C$BaC{l_2}$
- D${C_6}{H_5}{N^ + }{H_3}C{l^ - }$
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$M{e_3}SiCl\xrightarrow{{{H_2}O}}A$
$M{e_3}SiCl_2\xrightarrow{{{H_2}O}}B$
$MeSiCl_3\xrightarrow{{{H_2}O}}C$
$(A), (B)$ and $(C)$ are known as ____,____, and ____ respectively in silicones formation
$(1)$ $Y$ 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 $MnO _2$.
