The vapours of which of the following compound burns with green coloured flame?

C H C l_{3}

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C H_{3} C O C H_{3}

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C_{2} H_{5} O H

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C H_{3} C H O

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Solution

The correct option is B $C H C l_{3}$
Chloroform $C H C l_{3}$ vapours burns with the green flame. This is due to evolution of $C l_{2}$ gas on burning it.

$2 C H C l_{3} + O_{2} + 2 H_{2} O \to 2 C O_{2} (g) + 6 H C l (a q) .$

$4 H C l + O_{2} \to 2 H_{2} O + 2 C l_{2} ↑$

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The vapours of which of the following compound burns with green coloured flame?

The correct option is B CHCl3Chloroform CHCl3 vapours burns with the green flame. This is due to evolution of Cl2 gas on burning it. 2CHCl3+O2+2H2O→2CO2(g)+6HCl(aq).4HCl+O2→2H2O+2Cl2↑

The correct option is B $C H C l_{3}$
Chloroform $C H C l_{3}$ vapours burns with the green flame. This is due to evolution of $C l_{2}$ gas on burning it.

$2 C H C l_{3} + O_{2} + 2 H_{2} O \to 2 C O_{2} (g) + 6 H C l (a q) .$

$4 H C l + O_{2} \to 2 H_{2} O + 2 C l_{2} ↑$