Which statements regarding combustion analysis to determine percent composition are not correct? Â Â Â Â Â I. The mass of...

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Chemistry

Which statements regarding combustion analysis to determinepercent composition are not correct?
Â Â Â Â Â I. The mass of oxygen in the samplecompound can be determined from the mass of carbon dioxide that isproduced.
Â Â Â Â Â II. If a compound contains anelement other than carbon and hydrogen, combustion analysis cannotbe used to determine its empirical formula.
Â Â Â Â Â III. Combustion analysis data aloneis not sufficient to determine the molecular formula withcertainty.
IV. If some CO is produced rather than all CO₂, then theempirical formula that is calculated will be too high incarbon.
a.
I, II, and IV are not correct.
b.
II and III are not correct.
c.
I, II, and III are not correct.
d.
I and II are not correct.
e.
II, III, and IV are not correct.

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4.1 Ratings (816 Votes)

To answer this quest it is important to understan the working of a combustion analyser Any compound can be oxidised completely in the presence of oxygen at high temeperature This process is what a combustion analyzer employes This type of an analyzer is used to estimate the amounts of carbon See Answer

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	a.	I, II, and IV are not correct.
	b.	II and III are not correct.
	c.	I, II, and III are not correct.
	d.	I and II are not correct.
	e.	II, III, and IV are not correct.