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In the cyanide ion, the formal negative ...

In the cyanide ion, the formal negative charge is on :

A

C

B

N

C

Both C and N

D

Resonate between C and N

Text Solution

Verified by Experts

The correct Answer is:
B
In `CN` ion formal negative charge is on nitrogen atom due to lone pair of electrons.
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Knowledge Check

  • Cyanide ion is

    A
    Nucleophilic
    B
    Electrolhilic
    C
    Strongly acidic
    D
    Non-reactive and neutral.

  • Which among the following is a negatively charged ion?

    A
    Calcium ion
    B
    Zinc ion
    C
    Silver ion
    D
    Iodine ion

  • The knowledge of valencies of various radicals helps us to write the formulae of chemical compounds. The total positive charge on positive ions ( cations ) is equal to the total negative charge on negative ions ( anions) in a molecule. Therefore, in writing the formula of a compound, the positive and negative ions are adjusted in such a way that the total number of positive charges of positive ions ( cations ) becomes equal to the total number of negative charges of negative ions ( anions) . There is another simple method for writing the formulae of ionic compounds. In this method, the valencies ( or positive or negative charges ) of the ions can be 'crossed over' to give subscripts. The purpose of crossing over of charges is to find the number of ions required to equalise the number of positive and negative charges. Chlorine reacts with sodium to form the compound NaCl. Chlorine also reacts with phosphorus to form the compound PCl_(3) . What will be the chemical formula of the compound formed between sodium and phosphorus ?

    A
    `Na_(2)P_(3)`
    B
    `Na_(3)P`
    C
    NaP
    D
    `NaP_(3)`
    • A2Z-CHEMICAL BONDING AND MOLECULAR STRUCTURE-Formal Charge, Resonance And Polarity Of Covalent Bond (Fajans Rule)
    1. In the cyanide ion, the formal negative charge is on :

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    2. The formal charge of the O-atom in the ion [: ddotN = O:] is

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    3. Which of the following is insolube in water

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    4. A compound with the maximum ionic charater is formed from

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    5. Which of the following has the highest ionic character?

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    6. Which of the following compounds has the maximum nature?

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    7. Among the following the maximum convalent character is shown by the co...

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    8. Which of the following has convant bond

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    9. Polarization is the distortion of the anion by an adjacently placed ca...

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    10. Maximum covalent character is associated with the compound

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    11. Among LiCl, RbCl, BeCl(2) and MgCl(2) the compound with the greatest a...

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    12. LiF a least soluble among the fluorides of alkali metals, because

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    13. SaCI(4) is a convalent lquid because

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    14. Which of the following Lewis structure does not contribute in resonanc...

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    15. Carbonyl group has following resonating structures (I) The correc...

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    16. Point out incorrect statement about resonance

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    17. In compound O(2)SC(NH(2))(2). The geometry around the S, N and number ...

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    18. Which of the following is leaser acceptable resonating atructure of N(...

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    19. Which of the following pair constitute resonance structure?

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    20. Which of the following statement about resonance energy is wrong?

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