Organic Chemistry(General Knowledge > General Science ) Questions and answers for exam Preparation

Question 1. If yo find in a carbon chain a " = " you know that this is a

Alkane / Alcano
Alkene / Alquene
Alkyne / Alquino
we never write an "equal" in a carbon chain

Explanation:-

Answer: Option B. -> Alkene / Alquene

Question 2. What is the correct name?C-C-C-C=C-C-C-C-C=C-C

9- Ino, 4 Undeceno
7-eno, 2-ino Undecano
7-eno, 2 Undecino
Is a mistake

Explanation:-

Answer: Option C. -> 7-eno, 2 Undecino

Question 3. If you have a carbon chain of 7 carbons, What is the name?

eptano
hexano
heptano
hebtano

Explanation:-

Answer: Option C. -> heptano

Question 4. Who was Worther?

Dutch chemist
French physicist
English doctor
German chemist

Explanation:-

Answer: Option D. -> German chemist

Question 5. Which element is organic chemsitry about?

Boron
Sodium
Carbon
Sulphur

Explanation:-

Answer: Option C. -> Carbon

Question 6. Which one is NOT a biogenic element?

Oxygen
Nitrogen
Sodium
Sulphur

Explanation:-

Answer: Option C. -> Sodium

Question 7. What is the focus of inorganic chemsitry?

Characteristics of the Compounds of Carbon
Characteristics of the elements of the periodic table and their compounds
Characteristics of transitional metals and their compounds
Characteristics of silicon and its compounds

Explanation:-

Answer: Option B. -> Characteristics of the elements of the periodic table and their compounds

Question 8. Select the formula for the following name: hydrobromic acid

HBr
HBrO4
HBrO3
H2Br

Explanation:-

Answer: Option A. -> HBr

Question 9. Which compound belongs to the alkene family?

C2H2
C2H4
C6H6
C6H14

Explanation:-

Answer: Option B. -> C2H4

Question 10. I can have an alkene with only one carbon ?

yes, obviously
No, What happen with you?

Explanation:-

Answer: Option B. -> No, What happen with you?