MCQ
The compound that is not a Lewis acid is
- A$HSO_4^ - $
- B$AlC{l_3}$
- C$BeC{l_2}$
- ✓$N{H_3}$
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$\Delta H_f^o[CO_2,g] = -394 \,kJ/mol$
$\Delta H_f^o[H_2O,l] = -286\, kJ/mol$
$\Delta H_f^o [propene ,g] = 20\,kJ/mol$
cyclopropane $(g)$ $\to$ propene $(g)$ ; $\Delta H^o_{isomerisation} = $ $-33\,kJ/mol$.
Calculate $\Delta H^o_{combustion}$ [cyclopropane, $(g)$]
......$ kJ/mol$
$(CH_3)_2CHCH_2C \equiv N \xrightarrow{HCl,{{H}_{2}}O}$ compound $A \xrightarrow[2.\,{{H}_{2}}O]{1.\,LiAl{{H}_{4}}}$ compound $B \xrightarrow[C{{H}_{2}}C{{l}_{2}}]{PCC}$ compound $C$



$X$ is