MCQ
Ammonium hydroxide is a weak base because
- AIt has low vapour pressure
- ✓It is only slightly ionized
- CIt is not a hydroxide of any metal
- DIt has low density
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How can this reaction is made to proceed in forward direction?
$H _{2}+\frac{1}{2} O _{2} \rightarrow H _{2} O , \cdots \cdots( ii )$ $\Delta H =-\,287.3 \,kJ\,mol ^{-1}$
$2 CO _{2}+3 H _{2} O \rightarrow C _{2} H _{5} OH +3 O _{2} \cdots \cdots ( iii )$; $ \Delta H =1366.8 \,kJ\,mol ^{-1}$
Find the standard enthalpy of formation of $C _{2} H _{5} OH (1)$