Question

#1: Which of the following is a hydronium ion?

A. H+

B. H2O

C. H3O+

D. OH-

***my answer: C. H3O +

is that right? @aaronq :)

Answer 1

#2: According to the Brønsted-Lowry definition, which of the following is formed when a base dissociates in water?

A. a salt

B. a conjugate acid

C. a conjugate base

D. a stronger acid

***my answer: B. a conjugate acid

is that correct? :)

Answer 2

#3: Which of the following formulas is used to determine the pH of a solution?

A. pH = -log[H+]

B. pH = [OH-]

C. pH = log[OH-]

D. pH = log[H+]

***my answer; A. pH = -log[H+]

is that right? :D

Answer 3

#4: A solution of wheat flour and water has a [H+] of 1 × 10^-8 M. Which of the following describes what type of solution this is?

A. acidic

B. basic

C. neutral

***my answer; B. basic

is that right?

Answer 4

#5: Brønsted and Lowry defined a base as which of the following?

A. substance that donates H+ ions

B. substance that accepts a pair of electrons to form a covalent bond

C. substance that donates a pair of electrons to form a covalent bond

D. substance that accepts H+ ions

**my answer: A. substance that donates H+ Ions

is that right? @aaronq :)

Answer 5

all good.. except #5.. is says base, not acid :P

Answer 6

ohhh :/ so does that make #5 D? ;/ ACCEPTS H+ ions?

Answer 7

yaaa 5th is D LOL:)

Answer 8

haha thanks @chmvijay :)

Answer 9

awhy laughing LOL