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P Block Elements question

2013 · Q96
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P Block Elements question

2013 · Q96

NEETChemistryP Block ElementsMCQ+4 / −1
Which of the following does not give oxygen on heating?
  1. A
    K2Cr2O7
  2. B
    (NH4)2Cr2O7
  3. C
    KClO3
  4. D
    Zn(ClO3)2
View written solutionFree

Correct answer: B

(NH4)2Cr2O7 →Δ\xrightarrow{\Delta} Δ​ N2 + Cr2O3 + 4H2O

Zn(ClO3)2 →Δ\xrightarrow{\Delta} Δ​ ZnCl2 + 3O2

KClO3 →Δ\xrightarrow{\Delta} Δ​ KCl + 32{3 \over 2}23​O2

2K2Cr2O7 →Δ\xrightarrow{\Delta} Δ​ 2K2CrO4 + Cr2O3 + 32{3 \over 2}23​ O2

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