Chemistry · 2020
JEE Main · 4 September 2020, Shift 1 · Q34
On combustion of Li, Na and K in excess of air, the major oxides formed, respectively, are:
On combustion of $\displaystyle \mathrm{Li}, \mathrm{Na}$ and K in excess of air, the major oxides formed, respectively, are :
Official answer
(2)
$\displaystyle \mathrm{Li}_2 \mathrm{O}, \mathrm{Na}_2 \mathrm{O}_2 \text { and } \mathrm{KO}_2$
More from s-Block Elements
- Reaction of BeCl_2 with LiAlH_4 gives: AlCl_3 BeH_2 LiH LiCl (E) BeAlH_4 Choose the correct answer from options given below:2022
- Mg(NO_3)_2 · XH_2 O and Ba(NO_3)_2 · YH_2 O, represent formula of the crystalline forms of nitrate salts. Sum of X and Y is ____2023
- Ion having highest hydration enthalpy among the given alkaline earth metal ions is:2023
- For a good quality cement, the ratio of lime to the total of the oxides of Si, Al and Fe should be as close as to2023
- Given below are two statements: one is labelled as Assertion and the other is labelled as Reason (R). Assertion: Lithium salts are hydrated. Reason…2021
- Match List I with List II: Choose the correct answer from the options given below:2021
- Given below are two statements: Statement-I: The chlorides of both beryllium and aluminium have structures in which chlorobridges are present in…2021
- Match List - I with List - II: Choose the correct answer from the options given below:2021
JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.