Which of the following does not give oxygen on heating ? | Chemistry | SolveeIt

Which of the following does not give oxygen on heating ?

$\ce{ (NH_4)_2Cr_2O_7 }$

$\ce{KClO_3 }$

$\ce{ Zn(ClO_3)_2}$

$\ce{K_2Cr_2O_7 }$

Answer

$\ce{ (NH_4)_2Cr_2O_7 }$

Explanation

${ (NH_4)_2 Cr_2 O_7 ->[\Delta] N_2 + Cr_2O_3 + 4 \, H_2 O}$ do not produces $O_2$ .

Chemistry Question on d -and f -Block Elements