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
    Consider the following oxyanions: \[PO_{4}^{3\,-},\,\,{{P}_{2}}O_{6}^{4\,-},\,\,SO_{4}^{2\,-},\,\,MnO_{4}^{-},\,\,CrO_{4}^{2\,-},\,\,{{S}_{2}}O_{5}^{2\,-},{{S}_{2}}O_{7}^{2\,-}\]And find the value of \[R\,\,+\,\,Q\,\,-\,\,P\] Where
    P = Number of oxy anions having three equivalent
    X − O bonds per central atom
    Q = Number of oxy anions having two equivalent
    X − O bonds per central atom
    R = Number of oxy anions having four equivalent
    X − O bonds per central atom

    Answer:

    2.00


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