Deck 13 (241 - 260) Flashcards

1
Q
  1. Give an example of cumulative alkadiene
A

H2C=C=CH2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. Which of the following sets of quantum numbers is not possible ?

a. n = 3, l = 0, m = 0, s = +1/2
b. n = 5, l = 3, m = 0, s = +1/2
c. n = 5, l = 3, m = -1, s = -1/2
d. n = 4, l = 4, m = +2, s = -1/2

A

n = 4, l = 4, m = +2, s = -1/2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. Number of chiral (asymmetric) carbon atoms which are present in the glucose molecule is …
A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. Water solution of FeSO4 is:

a. acidic
b. basic
c. neutral
d. hot

A

acidic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. Which term does not describe fatty acids?

a. saturated
b. monounsaturated
c. polyunsaturated
d. they are all used

A

they are all used

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. Vodka is a(n):

a. heterogenous mixture
b. compound
c. element
d. homogeneous mixture

A

homogeneous mixture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. How many grams of sodium chloride are approximately required to prepare 500 ml of a 3.00 mol.dm-3 solution?
    Mm(NaCl) = 58.44 g.mol-1

a. 39.0 g
b. 58. 4 g
c. 87.7 g
d. 167 g

A

87.7 g

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. All elements in Group I have the same:

a. number of electron shells
b. mass number
c. atomic number
d. number of electrons in the outermost electron shell

A

number of electrons in the outermost shell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. Write the formula of copper(II) oxide
A

CuO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. The name for reaction of carboxylic acid and alcohol under acidic conditions ..
A

esterification

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. Hydrogen chloride can be made from the reaction of chlorine and hydrogen:

Cl2(g) + H2(g) -> 2 HCl(g)
H= -440 Komol-1

a. the reaction is endothermic
b. the reaction is exothermic

A

the reaction is exothermic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. Give the name to:

Cl-CH2-CH2-CH2-COOH

A

4-chlorobutanoic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. A ——- is a triglyceride that has a fatty acid which has been replaced by a polar phosphate group
A

phospholipid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. Which element has the highest electronegativity ?

a. nitrogen
b. iodine
c. fluorine
d. selenium

A

fluorine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. Name the product of dehydrogenation of 1-hexene
A

1-hexyne

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. What symbol indicated a reversible reaction
A

<–>

17
Q
  1. Select the correct name for Cu2O:

a. cupric oxide
b. copper(I) oxide
c. dicopper monoxide
d. copper(II) oxide

A

copper(I) oxide

18
Q
  1. PIC
A
19
Q
  1. Name the compound NaNO2
A

sodium nitrite

20
Q
  1. Name the straight-chain alkane having the molecular formula C4H10
A

butane