MCQ
Which is not a colligative property
- ✓Refractive index
- BLowering of vapour pressure
- CDepression of freezing point
- DElevation of boiling point
Hence, Refractive Index is not a colligative particles as it only depends on nature of materials.
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$(i)\,\,(CH_3)_2CH-CH_2Br \xrightarrow{{{C_2}{H_5}OH}} (CH_3)_2CH-CH_2OC_2H_5 + HBr$
$(ii)\,\,(CH_3)_2CH-CH_2-Br \xrightarrow{{{C_2}{H_5}{O^- }}} (CH_3)_2CH-CH_2OC_2H_5 + Br^-$
The mechanisms of reaction $(i)$ and $(ii)$ are respectively


