Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
JEE Main & Advanced
Chemistry
Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
Question Bank
Numerical Value Type Questions - Periodic Table & Chemical Bonding
question_answer
How many compound which has \[p\pi \,\,-\,\,d\pi \] bonds- \[CO_{3}^{2-},\,\,ClO_{4}^{-},\,\,S{{O}_{3}},SO_{4}^{2-},\,\,{{P}_{4}}{{O}_{10}},\,\,NO_{3}^{-},\,\,HCN,\]\[{{[I{{(CN)}_{2}}]}^{-}},\,\,PO_{4}^{3-},\]