15 ml of gaseous butan ei s burnt with 105 ml of oxygen gas at room temperature & pressure. Contraction in volume observed will be

Options

A. Expansion in volume will be observed
B. 60 ml
C. 52.5 ml
D. 65ml

Answer

3

Explanation

`{:(,C_(4)H_(10),+,13/2 O_(2),to,4CO_(2)(g)+5H_(2)O(l)),(to,15 ml,,105 ml,,),(,15 ml,,15xx6.5=97.5,,60 ml):}`
Volume contraction =52.5 ml