MCQ
Methyl amine reacts with $HN{O_2}$ giving
- A$C{H_3}O - N = O$
- B$C{H_3} - O - C{H_3}$
- C$C{H_3}OH$
- ✓$(a)$ and $(b)$ both
$2C{H_3}N{H_2} + 2HN{O_2} \to C{H_3} - O - C{H_3} + 2{N_2} + 3{H_2}O$
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$K_1 = 4.2 \times 10^{-7}$ and $K_2 = 4.8 \times 10^{-11}$
Select the correct statement for a saturated $0.034\, M$ solution of the carbonic acid.
$\Delta H_{f({C_2}{H_2})(g)}^o\, = \,230\,kJ\,mo{l^{ - 1}}$
$\Delta H_{f({C_6}{H_6})(g)}^o\, = \,85\,kJ\,mo{l^{ - 1}}$
Calculate the standard heat of trimerisation of ethyne to benzene.
$3{C_2}{H_2}(g) \to {C_6}{H_6}(g)$
......$kJ\, mol^{-1}$
