Assertion : Effusion rate of oxygen is smaller than nitrogen .Reason : Molecular size of nitrogen is smaller than oxygen. Assertion : Effusion rate of oxygen is smaller than nitrogen .Reason : Molecular size of nitrogen is smaller than oxygen. February 10, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related