MCQ
Sucrose contains which of the following groups
- A$ - CHO$
- B$ > C = O$
- CBoth $(a)$ and $(b)$
- ✓None of these
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$(A)$ $\left[ Ni \left( H _{2} O \right)_{2}( en )_{2}\right]^{2+}$
$(B)$ $\left[ Ni \left( H _{2} O \right)_{4}(\text { en })\right]^{2+}$ and
$(C)$ $\left[ Ni ( en )_{3}\right]^{2+}$ is ...... .
[Given: Freezing point of ethanol is $156.0 K$ Density of ethanol is $0.80\,g\,cm ^{-3}$.
Freezing point depression constant of ethanol is $\left.2.00\,K\,kg\,mol\,m ^{-1}\right]$
$'X'$ cannot be