Question

Which of the following can act as a Bronsted-Lowry acid?
1 H2O
2 NH
3 H2O​

Answer 1

H 2 O

Step-by-step explanation:

H 2 O can act as a Brønsted-Lowry acid by donating a proton to produce its conjugate base OH - (known as the hydroxide ion). H 2 O can act as a Brønsted-Lowry base by accepting a proton to produce its conjugate acid H 3 O + (known as the oxidanium ion, or oxonium ion, or, in older textbooks as the hydronium ion (5)).