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Which of the following is an example of ...

Which of the following is an example of a pair of Isobars?

A

Chlorine and oxygen

B

Calcium and argon

C

Oxygen and carbon

D

Hydrogen and Helium

Text Solution

Verified by Experts

The correct Answer is:
B
Calcium and argon are isobars as they have same mass number i.e. 40 but different atomic numbers.
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Knowledge Check

  • Which of the following pairs is an example of position isomerism?

    A
    `CH_(3)-CH_(2)-CH_(2)-CH_(3)` and `CH_(3)-underset(CH_(3))underset(|)(CH)-CH_(3)`
    B
    `CH_(3)-CH_(2)-CH=CH_(2)` and `CH_(3)-CH=CH-CH_(3)`
    C
    `CH_(3)-CH_(2OH` and `CH_(3)-O-CH_(3)`
    D
    `CH_(3)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)(C)-CH_(3)` and `CH_(3)-CH_(2)-CH_(2)-CH_(2)-CH_(3)`

  • Which of the following pairs is an example of position isomerism

    A
    `CH_(3)-CH_(2)-CH_(2)-CH_(3)` and `CH_(3)-underset(CH_(3))underset(|)(CH)-CH_(3)`
    B
    `CH_(3)-CH_(2)-CH = CH_(2)` and `CH_(3)-CH=CH-CH_(3)`
    C
    `CH_(3)-CH_(2)OH` and `CH_(3)-O-CH_(3)`
    D
    `{:(" "CH_(3)),(" |"),(CH_(3)-C-CH_(3)),(" |"),(" "CH_(3)):}` and `CH_(3)-CH_(2)-CH_(2)-CH_(2)-CH_(3)`

  • Which of the following pairs is an example of position isomerism ?

    A
    `CH_(3)-CH_(2)-CH_(2)-CH_(3)" and "CH_(3)-underset(CH_(3))underset(|)"CH"-CH_(3)`
    B
    `CH_(3)-CH_(2)-CH=CH_(2)" and "CH_(3)-CH=CH-CH_(3)`
    C
    `CH_(3)-CH_(2)OH" and " CH_(3)-O-CH_(3)`
    D
    `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)"C"-CH_(3)" and "CH_(3)-CH_(2)-CH_(2)-CH_(2)-CH_(3)`

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