Assertion : Cu^2+ ion is a coloured ion . Reason : Every ion with unpaired electron is coloured . Assertion : Cu^2+ ion is a coloured ion . Reason : Every ion with unpaired electron is coloured . November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry , Facebook Messenger WhatsApp Share this:TwitterFacebook Related