MCQ
Dehydration of ethanol gives
- AAcetic acid
- BEthane
- ✓Ethylene
- DAcetylene
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$p = $vapour pressure of pure solvent
${p_s} = $vapour pressure of the solution
$n = $number of moles of the solute
$N = $number of moles of the solvent

$F{e_2}{O_3}\left( s \right) + 3CO\left( g \right) \rightleftharpoons 2Fe\left( l \right) + 3C{O_2}\left( g \right)$
Using the Le Chatelier 's principle, predict which one of the following will not disturb the equilibrium ?
(First dissociation constant of $H _{2} CO _{3}=4.0 \times 10^{-7}$$\log 2=0.3 ;$ density of the soft $\left.\operatorname{drink}=1\, g\, mL ^{-1}\right)$