Question

(c) thermal stability
5. Magnesium oxalate when heated at temperature above 400°C shows a loss in weight
due to evolution of
(a) 0.
(b) H.O (c) CO₂ (d) CO + CO2
temperature than a loose sample.​

Answer 1

Answer:

Calcium oxalate decomposition temperature

At temperatures ranging 400 – 530 °C, a second weight loss of 19.1% was observed, corresponding to the decomposition of anhydrous calcium oxalate, with the loss of carbon monoxide. The IR spectrum at 504 °C provided confirmation of evolved CO with the two peaks centered around 2100 cm-1.

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