sblock Elements 1 Question 23
23. The main oxides formed on combustion of $\mathrm{Li}, \mathrm{Na}$ and K in excess of air respectively are
(2016 Main)
(a) $\mathrm{LiO}_2, \mathrm{Na}_2 \mathrm{O}_2$ and $\mathrm{K}_2 \mathrm{O}$
(b) $\mathrm{Li}_2 \mathrm{O}_2, \mathrm{Na}_2 \mathrm{O}_2$ and $\mathrm{KO}_2$
(c) $\mathrm{Li}_2 \mathrm{O}, \mathrm{Na}_2 \mathrm{O}_2$ and $\mathrm{KO}_2$
(d) $\mathrm{Li}_2 \mathrm{O}, \mathrm{Na}_2 \mathrm{O}$ and $\mathrm{KO}_2$
Show Answer
Answer:
Correct Answer: 23. (c)
Solution:
BETA
