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(a) in the formation of compound between...

(a) in the formation of compound between two atoms A and B, loses two electrons and B gains one electron.
(i) What is the nature of bond between A and B ?
(ii) Suggest the formula of the compound formed between A and B.
(b) On similar lines explain the formation of `MgCl_(2)` molecule.
(c ) Common salt conducts electricity only in the molten state. Why ?

Text Solution

Verified by Experts

(a) (i) The bond formed is of ionic nature.
(ii) The formula of compound is `AB_(2)`.
(b)
(c ) Common salt (NaCl) is an ionic compound. Since ionic compounds are conducting due to the mobility of ions, common salt (NaCl) therefore, conducts electricity either in molten state or in aqueous solution.
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(a) In the formation of compound between two atoms A and B, A loses two electrons and B gains one electron. (i) What is the nature of bond between A and B? (ii) Suggest the formula of the compound formed between A and B. (b) On similar lines explain the formation of MgCl_(2) molecule. (c ) Common salt conducts electricity only in the molten state. Why? (d) Why is melting point of NaCl high ?

For a covalent bond to form between two atoms A and B.

Knowledge Check

  • The bond between B and C will be

    A
    Ionic
    B
    Colvalent
    C
    Hydrogen
    D
    Coordinate

  • Element A has 3 electron in the outermost orbit and element B has 7 electrons in the outermost orbit. The formula of the compound formed between A and B would be

    A
    ` A_2B_3`
    B
    `A_3B_2`
    C
    `A_2B`
    D
    `AB_3`

  • Element A has 2 electrons in the outermost orbit and element B has 6 electrons in the outermost shell. The formula of the compound formed between A and B would be

    A
    `A_2B_3`
    B
    `A_2B`
    C
    `AB_2`
    D
    `AB`

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