A Discrimination Index of +1

question 21

Multiple Choice

A discrimination index of +1.00 means that the item ____________________.

• A) fails to discriminate
• B) discriminates perfectly
• C) is too easy
• D) is too hard

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Definitions:

Basicity

A measure of the ability of a compound to act as a base and accept protons.

Aniline

An organic compound with the formula C6H5NH2, a primary amine derived from benzene, used in the manufacture of dyes, drugs, and plastics.

p-Nitroaniline

An organic compound derived from aniline, characterized by a nitro group positioned para (opposite) to the amine group, primarily used in the synthesis of dyes, pharmaceuticals, and agricultural chemicals.

p-Toluidine

An organic compound, a derivative of aniline, where a methyl group is para (i.e., in the 4-position) to the amino group on the benzene ring.