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Quiz 1.1

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

The above compound is:

a)

achiral due to presence of POS

b)

chiral due to absence of POS and COS

c)

achiral due to presence of COS

d)

Chiral due to presence of POS and COS

2.

The above compound is:

a)

Achiral due to COS

b)

Achiral due to POS

c)

Chiral due to absence of POS / COS

d)

None of the above

3.

The no. of chiral center are

a)

7

b)

8

c)

9

d)

10

4.

The term "estrogen" refers to all of the chemically similar hormones in this group, which are estrone, estradiol (primary in women of reproductive age) and estriol. Identify the number of chiral center in Estrogen:

a)

4

b)

3

c)

5

d)

6

5.

Progesterone is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. It belongs to a group of steroid hormones called the progestogens, and is the major progestogen in the body.

It is a chiral molecule. Predict the number of possible isomers:

a)

16

b)

25

c)

36

d)

49

6.

Camphor is a waxy, flammable, transparent solid with a strong aroma. It is a terpenoid with the chemical formula C10H16O. It has ...........chiral center

a)

1

b)

2

c)

3

d)

4

7.

The no. of chiral center in A, and B respectively are

a)

2, 2

b)

2, 3

c)

1, 2

d)

3, 3