MCQ
$\alpha - D - $glucose and $\beta - D - $glucose differ from each other due to difference in one of the carbons with respect to its
- ASize of hemiacetal ring
- BNumber of $OH$ groups
- ✓Configuration
- DConformation

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$[Cr(NH_3)_6] [Cr(NO_2)_6]$ and $[Cr(NH_3)_4(NO_2)_2] \,[Cr(NH_3)_2(NO_2)_4]$
Type of reaction in above reaction is
