Which of the following is a Bronsted-Lowry acid but not an Arrhenius a

1.	Which of the following is a Bronsted-Lowry acid but not an Arrhenius acid?
Answer» HCL `NH_4^(+)` `BF_3` ` CH_3COOH ` SOLUTION :`NH_4^(+) ` cannot DONATE`H^(+) `in WATER

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