MCQ
Which will show maximum depression in freezing point when concentration is $0.1\,M$
- 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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$(a)$ saline hydrides produce $H_2$ gas when reacted with $H_2O.$
$(b)$ reaction of $LiAH_4$ with $BF_3$ leads to $B_2H_6.$
$(c)$ $PH_3$ and $CH_4$ are electron - rich and electron-precise hydrides, respectively.
$(d)$ $HF$ and $CH_4$ are called as molecular hydrides.
$Cu(s) + 2Ag{^+}_{(aq)} \to Cu^{+2}_{(aq)} + 2Ag(s)$
is $10 \times 10^{15}$, calculate the $E_{cell}^o$ of the reaction of $298\,K$
[${2.303\,\frac{{RT}}{F}}$ at $298\,K$ $=0.059\,V$]