Chemistry · 2020
JEE Main · 7 January 2020, Shift 2 · Q34
Among statements (a)-(d), the correct ones are: (a) Decomposition of hydrogen peroxide gives dioxygen. (b) Like hydrogen peroxide,compounds, such as…
Among statements (a)-(d), the correct ones are:
(a)
Decomposition of hydrogen peroxide gives dioxygen.
(b)
Like hydrogen peroxide,compounds, such as $\displaystyle \mathrm{KClO}_3, \mathrm{~Pb}\left(\mathrm{NO}_3\right)_2$ and $\displaystyle \mathrm{NaNO}_3$ when heated liberate dioxygen.
(c)
$\displaystyle 2$-Ethylanthraquinone is useful for the industrial preparation of hydrogen peroxide.
(d)
Hydrogen peroxide is used for the manufacture of sodium perborate.
Official answer
(1)
(a) , (b), (c) and (d)
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.