- A$NaCl$
- BUrea
- CGlucose
- ✓${K_2}S{O_4}$
${K_2}S{O_4} \to 2{K^ + } + SO_4^{2 - } = 3$ ions
${K_2}S{O_4}$ give maximum ion in solution so it shows maximum depression in freezing point.
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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 ($1$)
$(I)$ Number of $S-S$ bonds in $H_2S_nO_6$ are $(n + 1)$
$(II)$ When $F_2$ reacts with water gives $HF, O_2$ and $O_3$
$(III)$ $LiNO_3$ and $BaCl_2$ compounds are used in fire works
$(IV)$ $Be$ and $Mg$ hydrides are ionic and polymeric
(1)The rate of reaction is independent of the concentration of the nucleophile
(2)The nucleophile attacks the ${C^ - }$ atom on the side of the molecule opposite to the group being displaced
(3)The reaction proceeds with simultaneous bond formation and bond rupture/ cleavage
Amongst the following which of the above were true