MCQ
Incorrect method of preparation for alcohols from the following is:
- ✓Ozonolysis of alkene.
- BReaction of Ketone with $RMgBr$ followed by hydrolysis.
- CHydroboration-oxidation of alkene.
- DReaction of alkyl halide with aqueous $NaOH$.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
For the reaction $3 CaO +2 Al \rightarrow 3 Ca + Al _{2} O _{3}$ the standard reaction enthalpy $\Delta_{ r } H ^{0=}$ .......... $kJ$.
(Round off to the Nearest Integer).
$(a)$ saline hydrides produce $H_2$ gas when reacted with $H_2O.$
$(b)$ reaction of $LiAH_4$ with $BF_3$ leads to $B_2H_6.$
$(c)$ $PH_3$ and $CH_4$ are electron - rich and electron-precise hydrides, respectively.
$(d)$ $HF$ and $CH_4$ are called as molecular hydrides.

