CEM 141 Finals Questions with 100% Complete Solutions

CEM 141 Finals Questions with 100% Complete
Solutions
If one carbon wants 4 bonds, how many bonding orbitals can it have?

A. 1

B. 2

C. 3

D. 4

D

In graphite how many carbons is each carbon attached to?

A. 2

B. 3

C. 4

D. 5

B

How many orbitals should "mix" to form 3 bonds?

A. 2

B. 3

C. 4

D. 5

B

How many different compounds can you draw from C5H12?

A. 2

,B. 3

C. 4

D. 5

E. 6

B

What is the formal charge on H for NH4+?

A. +1

B. -1

C. +2

D. -2

E. 0

E

What is the formal charge on O for OH-?

A. +1

B. -1

C. +2

D. -2

E. 0

B

What is the formal charge on N for NH4+?

A. +1

B. -1

,C. +2

D. -2

E. 0

A

What is the formal charge on H for OH-?

A. +1

B. -1

C. +2

D. -2

E. 0

E

What is the electron pair geometry for H2O?

A. tetrahedral

B. trigonal planar

C. linear

D. bent

E. trigonal pyramidal

A

What is the shape of H2O?

A. tetrahedral

B. trigonal planar

C. linear

, D. bent

E. trigonal pyramidal

D

What is the electron pair geometry for NH3?

A. tetrahedral

B. trigonal planar

C. linear

D. bent

E. trigonal pyramidal

A

What is the shape of NH3?

A. tetrahedral

B. trigonal planar

C. linear

D. bent

E. trigonal pyramidal

E

What is the electron pair geometry for NH4+?

A. tetrahedral

B. trigonal planar

C. linear