Assertion : The molecule $C O_{2}$ has a net dipole moment of zero
Reason : The arrangement of atoms in the $C O_{2}$ molecule is liner and symmetrical, and the bond polarities within the molecule are canceled out.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Here we can see the arrangement of atoms in the molecule, it is linear and symmetrical, so the even if the bonds are polar due to this symmetry within the molecule the net dipole moment is zero.

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Assertion : The molecule CO2 has a net dipole moment of zero Reason : The arrangement of atoms in the CO2 molecule is liner and symmetrical, and the bond polarities within the molecule are canceled out.

Assertion : The molecule $C O_{2}$ has a net dipole moment of zero
Reason : The arrangement of atoms in the $C O_{2}$ molecule is liner and symmetrical, and the bond polarities within the molecule are canceled out.