Select the Compound That Is Most Suitable to Complete the Given

question 3

Multiple Choice

Select the compound that is most suitable to complete the given reaction. ? $\mathrm{CH}_{3} \mathrm{COOH}+? \rightarrow 3 \mathrm{CH}_{3} \mathrm{COCl}+\mathrm{H}_{3} \mathrm{PO}_{4}$

• A) PCl₃
• B) SOCl₂
• C) HCl
• D) PCl₅

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Definitions:

G Factor

Spearman’s term for a general intellectual ability that underlies all mental operations to some degree.

S Factor

Also known as the "specific factor," it refers to specific mental abilities as opposed to general intelligence in psychometric testing.

Primary Mental Abilities

According to Thurstone, seven relatively distinct capabilities that singly or in combination are involved in all intellectual activities.

Charles Spearman

A British psychologist who contributed to the development of factor analysis and the concept of general intelligence, represented as the "g" factor.