MCQ
Solvent molecules pass through the semipermeable membrane is called
- AElectrolysis
- BElectrophoresis
- CCataphoresis
- ✓Osmosis
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Name $IUPAC$ Official Name
$(a)$ Unnilunium $(i)$ Mendelevium
$(b)$ Unniltrium $(ii)$ Lawrencium
$(c)$ Unnilhexlum $(iii)$ Seaborglum
$(d)$ Unununnium $(iv)$ Darmstadtium

${C_2}{H_5}ONa + I{C_2}{H_5}\xrightarrow{{}}{C_2}{H_5}O{C_2}{H_5} + NaI$
$(i)\,\,(CH_3)_2CH-CH_2Br \xrightarrow{{{C_2}{H_5}OH}} (CH_3)_2CH-CH_2OC_2H_5 + HBr$
$(ii)\,\,(CH_3)_2CH-CH_2-Br \xrightarrow{{{C_2}{H_5}{O^- }}} (CH_3)_2CH-CH_2OC_2H_5 + Br^-$
The mechanisms of reaction $(i)$ and $(ii)$ are respectively