Some Basic Concepts of Chemistry - Result Question 32
####30. What is the weight of oxygen required for the complete combustion of $2.8 kg$ of ethylene?
(a) $2.8 kg$
(b) $6.4 kg$
(c) $9.6 kg$
(d) $96 kg$
[1989]
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Solution:
- (c) $C_2 H_4+3 O_2 \longrightarrow 2 CO_2+2 H_2 O$
$ 28 kg \quad 96 kg $
As $28 kg$ of $C_2 H_4$ undergo complete combustion by $96 kg$ of $O_2$
$\therefore 2.8 kg$ of $C_2 H_4$ undergo complete combustion by $9.6 kg$ of $O_2$.
