Which of the following does not give oxygen on heating ? - Vidyadip

MCQ

Which of the following does not give oxygen on heating ?

✓
$(NH_4)_2Cr_2O_7$
B
$KClO_3$
C
$NaNO_3$
D
$K_2Cr_2O_7$

✓

Answer

Correct option: A.

$(NH_4)_2Cr_2O_7$

a
${\left( {N{H_4}} \right)_2}C{r_2}{O_7}\xrightarrow{\Delta }2N{H_3} + C{r_2}{O_3} + \frac{3}{2}{O_2} + {H_2}O$

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