MCQ
Fructose and glucose can be distinguished by
- ABenedict’s test
- BFehling’s test
- CBarfoed’s test
- ✓Seliwanoff’s test
Fehling's test $\to $ For aldehyes
Benedict's test $\to $ For reduving sugars
Seliwanoff's test $\to $ Differentiate between aldose and ketose
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| gas | $Ar$ | $Ne$ | $Kr$ | $Xe$ |
| $a /\left( atm \,dm ^{6} \,mol ^{-2}\right)$ | $1.3$ | $0.2$ | $5.1$ | $4.1$ |
| $b /\left(10^{-2} \,dm ^{3}\, mol ^{-1}\right)$ | $3.2$ | $1.7$ | $1.0$ | $5.0$ |
Which gas is expected to have the highest critical temperature?
Reason : $[FeF_6]^{3-}$ is a low spin complex.
$(B)$ $I _{2}+ H _{2} O _{2}+2 OH ^{-} \rightarrow 2 I ^{-}+2 H _{2} O + O _{2}$
Choose the correct option.


