Directions : The balanced chemical equation underneath each reaction description and answer the questions.
$C H_{4} + 2 O_{2} ⟶ C O_{2} + 2 H_{2} O$
Methane burns readily in air.
Which type of flame is produced when ethane burns?

white and non-sooty

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blue and non-sooty

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red and non-sooty

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yellow and non-sooty

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Solution

The correct option is B blue and non-sooty
${2 C}_{2} H_{6} + 7 O_{2} \to 4 {C O}_{2} + {6 H}_{2} O$ . It burns with a blue color non sooty flame. All hydrocarbons burn with a blue flame in air.

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O_{2}

10 c m^{3}

C H_{4} + 2 O_{2} ⟶ C O_{2} + 2 H_{2} O

2 C_{2} H_{2} + 5 O_{2} ⟶ 4 C O_{2} + 2 H_{2} O

Consider the following chemical equation for the combustion of methane ( $C H_{4}$ )

$C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O$

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