When $C_{2} H_{6}$ burns completely in oxygen, which of the following products are formed?
I. $H_{2} O$
II. $C O_{2}$
III. Heat

I,II and III

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I and II only

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II and III only

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I only

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Solution

The correct option is A I,II and III
The reaction of burning of Ethane in air is given by the following equation-
$2 C_{2} H_{6}$ $+$ $7 O_{2}$ $\to$ $4 C O_{2}$ $+$ $6 H_{2} O$ $+$ $H e a t$
Thus, water, carbon dioxide and heat energy all are produced.
Option A is the correct answer.

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