Gaseous StateHard

Question

A teacher enters a classroom from front door while a student from back door. There are 13 equidistant rows of benches in the classroom. The teacher releases N2O, the laughing gas, from the first bench while the student releases the weeping gas (C6H11OBr) from the last bench. At which row will the students starts laughing and weeping simultaneously

Options

A.7
B.10
C.9
D.8

Solution

Let both gases meet at nth row

= 2
x = 24 - 2x
3x = 24
x = 8 = n - 1
n = 9th Row

Create a free account to view solution

View Solution Free
Topic: Gaseous State·Practice all Gaseous State questions

More Gaseous State Questions