下列物质酸性的顺序是: ()-|||-HOCH2CH2COO H CH3H OCHCOOH-|||-① ② ③-|||-CH3CH2COOH 2 COOH (CH 3)2CHCOOH-|||-④-|||-A bigcirc (1)gt bigcirc (2)gt bigcirc (3)gt bigcirc (4)-|||-B bigcirc (2)gt bigcirc (1)gt bigcirc (3)gt bigcirc (4)-|||-C bigcirc (1)gt bigcirc (2)gt bigcirc (4)gt bigcirc (3)-|||-D bigcirc (1)gt bigcirc (3)gt bigcirc (2)gt bigcirc (4)

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