MCQ
In the following which substance will have highest boiling point
- A$He$
- ✓$CsF$
- C$N{H_3}$
- D$CHC{l_3}$
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$x g$ and $y g$ are mass of $R$ and $U$, respectively.
(Use : Molar mass (in $g mol { }^{-1}$ ) of $H , C$ and $O$ as $1,12$ and $16$ , respectively)
($1$) The value of $x$ is
($2$) The value of $y$ is
Give thwe answer or quetion ($1$) and ($1$)

Which forms di-iodide on reaction with $HI $ (excess) ?
How many structural isomers are possible when one of the hydrogens is replaced by a chlorine atom?