JEE CHEMISTRY MCQ: 14 TH GROUP ELEMENTS (P-BLOCK)

1 Medium

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Assertion (A):

\mathrm{CaC}_2

is interstitial carbide.

Reason (R): Calcium ions are present in the Interstices.

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Correct option: D

Both (A) and (R) are false

Option D is correct because both the assertion and the reason are false. Calcium carbide (

CaC_2

) is not an ionic carbide, and the ions present are

Ca^{2+}

and

C_2^{2-}

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