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What does the term amphoteric mean? Which Brønsted-Lowry acid is not considered

ID: 1052268 • Letter: W

Question

What does the term amphoteric mean?

Which Brønsted-Lowry acid is not considered to be a strong acid in water?

D) HCl

Which of the following acids is the STRONGEST? The acid is followed by its Ka value.

E) HNO2, 4.6 × 10-4

Which of the following acids is the WEAKEST? The acid is followed by its Ka value.  

A) A substance is amphoteric if it can behave as an acid in all situations. B) A substance is amphoteric if it can behave as an acid or a base, depending on the situation. C) A substance is amphoteric if it can behave as a base in all situations. D) A substance is amphoteric if it has an OH group and can behave as an acid in all situations.

Explanation / Answer

1) option B.

A substance is amphoteric if it can behave as an acid or a base, depending on the situation.

2) option C) H2SO3

3) option A.)

A) HClO2, 1.1 × 10-2

the acid which is having highest ka value,then lowest pKa . so that has strong acid .

4) option B) HIO, 2.3 × 10-11

the acid which is having smallest Ka value ,that has high pKa that is weakest acid

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