Author Question: How many secondary hydrogens are there in the following molecule? 1.2 2.3 3.4 4.5 ... (Read 76 times)

Alygatorr01285 · **on:** Aug 23, 2018

How many secondary hydrogens are there in the following molecule?

1.2
2.3
3.4
4.5
5.6

Question 2

What kind of carbon is not present in the molecule below?

1.primary
2.secondary
3.tertiary
4.quaternary
5.All 4 kinds of carbon are present

Question 3

What functional group is not present in the naturally occurring compound shown below?

1.carboxylic acid
2.amine
3.primary alcohol
4.secondary alcohol
5.methyl group

Question 4

Which of the above structures is not a resonance form of the others? The lone pairs are not shown explicitly.

1.a
2.b
3.c
4.d
5.e

Question 5

What is the most likely product of the following Lewis acid-base reaction?

1.A
2.B
3.C
4.D
5.E

Question 6

Which statement about the acid-base equilibrium shown above is incorrect?

1.the equilibrium favors the products
2.water is a conjugate acid in this equilibrium
3.hydroxide is the strongest base present
4.phenol is 6 times more acidic than water
5.the negative charge in the phenoxide is resonance stabilized

Question 7

Which is the correct order of the pKa values?
1.H2O > HO > H3O+
2.HO > H3O+ > H2O
3.H3O+ > HO > H2O
4.HO > H2O > H3O+
5.H3O+ > H2O > HO

Question 8

Van der Waals interactions refer to the weak attractive forces that occur between individual molecules and are very important in determining the shape and properties of biological molecules such as proteins. Which of the following play no role in van der Waals interactions?
1.hydrogen bonding
2.dispersion forces
3.dipole-dipole forces
4.magnetic forces
5.All of these are important in van der Waals interactions.

SomethingSomething · **Reply #1 on:** Aug 23, 2018

Answer to Question 1

5

Answer to Question 2

4

Answer to Question 3

3

Answer to Question 4

5

Answer to Question 5

1

Answer to Question 6

4

Answer to Question 7

4

Answer to Question 8

4