Chemistry Test Inorganic Chemistry 2

Question 1

Which of the following oxides is amphoteric?

Accepted Answer

Al2O3

Answer

Na2O

Answer

SO3

Answer

CaO

Question 2

What is the oxidation state of chromium in K2Cr2O7?

Accepted Answer

+6

Answer

+3

Answer

+4

Answer

+7

Question 3

Which gas is produced when copper reacts with concentrated nitric acid?

Accepted Answer

NO2

Answer

NO

Answer

N2O

Answer

NH3

Question 4

The VSEPR geometry of the SF6 molecule is:

Accepted Answer

Octahedral

Answer

Tetrahedral

Answer

Trigonal bipyramidal

Answer

Square planar

Question 5

Which of the following is a Lewis acid?

Accepted Answer

BF3

Answer

NH3

Answer

H2O

Answer

OH-

Question 6

Which type of crystal structure does NaCl adopt?

Accepted Answer

Rock salt

Answer

Body-centered cubic

Answer

Face-centered cubic

Answer

Wurtzite

Question 7

What is the coordination number of iron in [Fe(CN)6]4-?

Accepted Answer

6

Answer

4

Answer

5

Answer

8