Question
Two solutions X and Y have pH = 4 and pH = 8, respectively. Which solution will give alkaline reaction and which one acidic?
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$\ \ \ \ \ \ \ \ \text{H}\ \ \ \ \ \text{H}\ \ \ \ \ \\\ \ \ \ \ \ \ \ \ |\ \ \ \ \ \ |\ \ \ \ \ \ \ \\\text{H}-\text{C}-\text{C}-\text{C}\equiv\text{C}-\text{H}\\ \ \ \ \ \ \ \ \ \ |\ \ \ \ \ \ |\\ \ \ \ \ \ \ \ \ \text{H}\ \ \ \ \ \text{H}$
$\text{CH}_4(\text{g})+2\text{O}_2(\text{g)}\rightarrow\text{CO}_2(\text{g})+2\text{H}_2\text{O}(\text{g})$