MCQ
Atomic mass is equal to:
- ANumber of electrons of an atom.
- BSum of the numbers of electrons and protons of an atom.
- CSum of the numbers of neutrons and protons of an atom.
- DNone of these.
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$C{H_3}CN\xrightarrow{{Na + {C_2}{H_5}OH}}X\xrightarrow{{HN{O_2}}}Y\mathop {\xrightarrow{{{K_2}C{r_2}{O_7}}}}\limits_{{H_2}S{O_4}} Z$
Product in above reaction is