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Match each anomalous position factor of hydrogen with its dual behavior:

A1-A, 2-B, 3-C
B1-B, 2-A, 3-C
C1-C, 2-B, 3-A
D1-A, 2-C, 3-B
Answer & Solution
Correct answer: A. 1-A, 2-B, 3-C
Hydrogen acts like Group 1 (H⁺) and Group 17 (H⁻, diatomic H2). Its intermediate electronegativity forms covalent bonds.
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