Assertion :The density of $_{6}^{12} C$ nuclide is about $1.8 \times 10^{17} k g m^{- 3}$ to that of water. Reason: The ratio of density of $_{6}^{12} C$ nuclide and water is about $1.8 \times 10^{14} k g m^{- 3}$ .

Assertionis correct but Reasson is wrong.

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Assertion is wrong but Reasson is correct

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

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

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Solution

The correct option is B Assertion is wrong but Reasson is correct
Density of each nucleus $= 1.8 \times 10^{17} k g / m^{3}$ density of water $= 1 \times 1000 k g / m^{3}$
The ratio of density of $_{6}^{12} C$ nuclide and water is about $1.8 \times 10^{14} k g m^{- 3}$ .
Hence, the density of $_{6}^{12} C$ nuclide is about $1000 \times 1.8 \times 10^{14} k g m^{- 3} = 1.8 \times 10^{17} k g m^{- 3}$ to that of water. Hence, A is wrong but R is correct.

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Assertion :The density of 126C nuclide is about 1.8×1017kgm−3 to that of water. Reason: The ratio of density of 126C nuclide and water is about 1.8×1014kgm−3.

Assertion :The density of $_{6}^{12} C$ nuclide is about $1.8 \times 10^{17} k g m^{- 3}$ to that of water. Reason: The ratio of density of $_{6}^{12} C$ nuclide and water is about $1.8 \times 10^{14} k g m^{- 3}$ .