MCQ
The correct $IUPAC$ name of $2-$ethyl$-3-$pentyne is :
- A$3-$methyl hexyne$-4$
- B$4-$ethyl pentyne$-2$
- ✓$4-$methyl hexyne$-2$
- DNone of these

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$NH_4NO_{3(s)} \to N_2O_{(g)} + 2H_2O_{(l)}$ .....$kJ$