MCQ
What is the $pH$ value of $\frac{N}{{1000}}\,KOH$ solution
- A${10^{ - 11}}$
- B$3$
- C$2$
- ✓$11$
$pOH = 3$
$pH = 14 - 3 = 11$
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$C{O_{\left( g \right)}} + \frac{1}{2}{O_{2\left( g \right)}} \to C{O_{2\left( g \right)}}\,;\,\Delta H = - 300\,kJ$
${H_2}_{\left( g \right)} + \frac{1}{2}{O_2}_{\left( g \right)} \to {H_2}{O_{\left( g \right)}}\,;\,\Delta H = - 250\,kJ$
$C_{(s)} + O_{2(g)} \to CO_{2(g)} ; \Delta H = -x\, kJ$
The value of $x$ will be