The Correct Sequence of the Ions Shown,in Order of Increasing $\equiv$

question 143

Multiple Choice

The correct sequence of the ions shown,in order of increasing basicity,is:

• A)CH₃CH₂:^- < CH₂=CH:^- < HC\(\equiv\)C:^-
• B)CH₃CH₂:^- < HC\(\equiv\)C:^- < CH₂=CH:^-
• C)HC\(\equiv\)C:^- < CH₃CH₂:^- < CH₂=CH:^-
• D)CH₂=CH:^- < HC\(\equiv\)C:^- < CH₃CH₂:^-
• E)HC\(\equiv\)C:^- < CH₂=CH:^- < CH₃CH₂:^-

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Definitions:

Preoperational Stage

According to Piaget, the stage from approximately age 2 to age 7 in which children’s use of symbolic thinking grows, mental reasoning emerges, and the use of concepts increases.

Cognitive Development

The process by which individuals acquire and process knowledge through thought, experience, and the senses over time.

Preoperational

Refers to a stage in Piaget's theory of cognitive development, where children aged 2 to 7 years use symbols to represent their earlier sensorimotor discoveries but lack the ability to perform operations or use logic.