Use app×
QUIZARD
QUIZARD
JEE MAIN 2026 Crash Course
NEET 2026 Crash Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
949 views
in Chemistry by (18.1k points)
closed by

When 22.4 L of C4H8 at STP is burnt completely, 89.6 L of CO2 gas at STP and 72 g of water are produced. The volume of the oxygen gas at STP consumed in the reaction is closest to

(a) 89.6 L

(b) 112 L

(c) 134.4 L

(d) 22.4 L

1 Answer

+1 vote
by (12.6k points)
selected by
 
Best answer

Answer is : (c) 134.4 L

No. of moles of water at STP = 72/18 = 4 mol

1 mole of C4H8 burns completely with 6 moles of O2 to give 4 moles of CO2 and 4 moles of H2O.

At STP 1 mole of O2 contains = 22.4 L

6 moles of O2 contain = 22.4 x 6 = 134.4 L

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...