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Assertion (A): Carbon cannot form ionic ...

Assertion (A): Carbon cannot form ionic bond.
Reason (R): It is not possible for the carbon to form either `C^(4+)` or `C^(4-)` ions, as it requires large amount of energy.

A

Both A and R are correct and R is the correct explanation of assertion.

B

Both A and R are correct but R is not the correct explanation of assertion.

C

A is correct.but R is wrong

D

A is wrong but R is correct.

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • Consider the following statements: It is not possible for the carbon to form either C^(4-) (or) C^(4-) (ii) Carbon can form ionic bonds. (iii) In compounds of carbon, it form covalent bonds. Which of the above statement is//are not correct?

    A
    (i) and (ii)
    B
    (iii) only.
    C
    (i) only
    D
    (ii) only
  • Assertion (A): C^(4+) cation formationis easy. Reason (R ): Carbon can lose four electrons to form C^(4+) cation require less amount of energy.

    A
    Both (A) and (R ) are correct
    B
    (A) is wrong but (R ) is correct
    C
    (A) is correct but (R ) is wrong
    D
    Both (A) and (R ) are wrong
  • Assertion (A): Carbon halogen bond is a polar bond. Reason (R): Halogens are more elective negative than carbon.

    A
    Both (A) and (R) are true and (R) is the correct explanation of (A).
    B
    Both (A) and (R) are true and (R) is not the correct explanation of (A).
    C
    (A) true but (R) false.
    D
    Both (A) and (R) are false.
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    Assertion : Hydrogen resembles halogens. Reason : It has high ionisation energy but still form H^+ ion.

    Assertion : Carbon shows an anomalous behaviour in group 14. Reason : Carbon has maximum covalency of 4.

    Assertion (A): Carbon combines with many other elements to form various stable compounds. Reason (R ): The stability of carbon compounds is due to the small size of carbon which enables the nucleus to hold on to the shared pair of electrons strongly.

    Assertion (A): The C-I in CH_3X is weak. Reason (R): Larger the size, greater is the bond length and weaker is the bond formed.

    Assertion (A): Carbon chemistry is called as living chemistry. Reason (R ): The carbon atoms form the building blocks of living organisms and carbon combined with other atoms decide life on earth.