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Reaction Rate and Orientation

APCHEM-JLXZU1

Alkyl bromide molecules (hydrocarbons with a bromine atom replacing one hydrogen atom: $R-Br$) react with water to produce hydrobromic acid and the corresponding alkane alcohol ($R-OH$). This reaction is used to remove alkyl bromides from the atmosphere before the compounds can react with and destroy the ozone layer.

Of the following molecules, which will have the slowest relative reaction rate with equal molar concentrations of each alkyl bromide compound in water?

A

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B

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C

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D

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