MCQ
The correct nomenclature for the following compound is:


- A$2$-carboxy-$4$-hydroxyhept-$6$-enal
- B$2$-carboxy-$4$-hydroxyhept-$7$-enal
- C$2$-formy$l-4$-hydroxyhept-$6$-enoic acid
- ✓$2$-formy$l-4$-hydroxyhept-$7$-enoic acid


Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$CO_{2(g)} + C_{(s)} \to 2CO_{(g)}$
${\text{2PQ}} \rightleftharpoons {{\text{P}}_2}{\text{ + }}{{\text{Q}}_2}\,;\,\,\,\,{{\text{K}}_1}{\text{ = 2}}{\text{.5 }} \times \,{\text{1}}{{\text{0}}^5}\,$
${\text{PQ + }}\frac{1}{2}{R_2} \rightleftharpoons PQR\,;\,\,\,\,{{\text{K}}_2}{\text{ = 5 }} \times \,{\text{1}}{{\text{0}}^{ - 3}}\,$
The value of equilibrium constant for reaction
$\frac{1}{2}{{\text{P}}_2}{\text{ + }}\frac{1}{2}{{\text{Q}}_2}{\text{ + }}\frac{1}{2}{R_2} \rightleftharpoons PQR\,$ is