BatCo, a Company That Sells Batteries, Claims That 99

question 42

Multiple Choice

BatCo, a company that sells batteries, claims that 99.5% of their batteries are in working order. How many batteries would you expect to buy, on average, to find one that does not work?

• A) 2000
• B) 200
• C) 995
• D) 5
• E) 100

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Definitions:

LiAlH4

Lithium aluminium hydride, a powerful reducing agent widely used in organic chemistry for the reduction of various functional groups including esters, carboxylic acids, and aldehydes.

Secondary Alcohol

An alcohol containing a hydroxyl group (-OH) attached to a carbon atom that is itself attached to exactly two other carbon atoms.

Grignard Reagent

Organomagnesium compounds used in organic chemistry to form carbon-carbon bonds, represented by the formula RMgX.

Starting Material

The substances used at the beginning of a chemical synthesis which are transformed through chemical reactions to produce desired products.