What is the hydrogen deficiency index for a compound with a molecular formula of C₆H₆Br₂? A) 1 B) 2 C) 3 D) 4

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The hydrogen deficiency index (HDI) is calculated using the formula: HDI = (2C + 2 + N - H - X)/2, where C is the number of carbons, N is the number of nitrogens, H is the number of hydrogens, and X is the number of halogens. For C6H6Br2, HDI = (2*6 + 2 - 6 - 2)/2 = 3.

What Is the Hydrogen Deficiency Index for a Compound with a Molecular