PORTAGE LEARNING BIOCHEMISTRY MODULE 2 EXAM LATEST QUESTIONS AND ANSWERS GRADED A+

PORTAGE LEARNING
BIOCHEMISTRY MODULE
2 EXAM 2023-2024
GRADED A++

,Portage Learning Chem 210 Module 2 Exam
Question 1
pts

The pH of a solution of 0.0010 M NaOH is:


1
Correct!

11

[Kw=[H+][OH-] = 1.0 x 10-14; [H+][0.0010] = 1.0 x 10-14 [H+]=1.0 x 10-11;

pH=-log[1.0 x 10-11;]=11]


8

0

14

Question 2
pts
Water is a unique molecule. Which of the following contributes to water’s unique place in the
chemical world?

The geometry of the molecule

The polarity of the O-H bonds

The ability of water molecules to hydrogen bond

The bond angle of water
Correct!

All of the answers are correct

Question 3
pts

The bent shape of water is due to .




The dipole arrows in a water molecule

The electronegativity difference between hydrogen and oxygen

, You Answered

The unequal electron sharing between hydrogen and oxygen
Correct Answer

The unshared electron pairs on the oxygen atom

None of the answers are correct


Question 4
pts

Which diagrams correctly represent a hydrogen bond?




Correct Answer

A and D

A and C
You Answered

B and C

C and D

B and D

Question 5
pts
The H+ concentration of a solution is 1.2 x 10-3 M. What is the pH?

-1.20

1.20
You Answered