MCQ
An appropriate method for molecular weight determination of chloroform is
- ARegnault's method
- BDiffusion method
- CVapour pressure method
- ✓Victor Meyer's method
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(Given: specific rotations of ($+$)-sucrose, ($+$)-maltose, $L$-($-$)-glucose anc. $+(+)$-fructose in aqueous solution are $+66^{\circ},+140^{\circ},-52^{\circ}$ and $+92^{\circ}$, respectively)
($A$) 'invert sugar' is prepared by acid catalyzed hydrolysis of maltose
($B$) . 'invert sugar' is an equimolar mixture of $D$-($+$)-glucose and $D$-($-$)-fructose
($C$) specific rotation of 'invert sugar' is $-20^{\circ}$
($D$) on reaction with $\mathrm{Br}_2$ water, 'invert sugar' forms saccharic acid as one of the products
| List$-I$ | List$-II$ |
| $A$ Coke | $I$ Carbon atoms are $sp ^3$ hybridised |
| $B$ Diamond | $II$ Used as a dry lubricant |
| $C$ Fullerene | $III$ Used as a reducing agent |
| $D$ Graphite | $IV$ Cage like molecules |
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