Mesomeric effect involves delocalisation of (a) Protons (b) Sigma electrons (c) Pi electrons (d) None of these Mesomeric effect involves delocalisation of (a) Protons (b) Sigma electrons (c) Pi electrons (d) None of these December 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related