Some Basic Concepts Of Chemistry Question 255

Question: If isobutane and n-butane are present in a gas, then how much oxygen should be required for complete combustion of 5 kg of this gas

Options:

A) 17.9 kg

B) 9 kg

C) 27 kg

D) 1.8 kg

Show Answer

Answer:

Correct Answer: A

Solution:

Isobutane and n-butane [C4H10] have same molecular formula; C4H10+132O24CO2+5H2O

For 58gm of C4H10 208 gm O2 is required then for 5 kg of C4H10 O2=5×20858=17.9,kg



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