Q. Which of the following is NOT a Brønsted-Lowry acid?

निम्नलिखित में से कौन ब्रोंस्टेड-लोरी एसिड नहीं है?

A
HCl
एचसीएल
B
H₂O
C
NH₃
एनएच₃
D
BF₃

Explanation

Brønsted-Lowry acid = proton (H⁺) donor
HCl, H₂O, NH₃ can act as proton donors
BF₃ is a Lewis acid (electron pair acceptor), not a Brønsted acid

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