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JEE CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES
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Medium
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Analyzing
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Assertion : When inductive and electromeric effects operate in opposite directions, the inductive effect predominates.
Reason : Inductive effect is the complete transfer of shared pair of electrons to one of the atoms.
Reason : Inductive effect is the complete transfer of shared pair of electrons to one of the atoms.
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Correct option: D
Both assertion and reason are false.
The correct answer is C (If Assertion is True but the Reason is False) because while Eu²⁺ and Yb²⁺ are indeed reducing agents, the reason is due to their tendency to achieve stable f⁷ and f¹⁴ configurations, respectively, not a half-filled configuration.
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Assertion (A): The compounds that have the same constitution and sequence of covalent bonds but differ in relative positions of their atoms or groups in space are called stereoisomers.
Reason (R): Stereoisomerism is a special type of isomerism which can be classified as geometrical and optical isomerism
Reason (R): Stereoisomerism is a special type of isomerism which can be classified as geometrical and optical isomerism