Which one is the simplest aromatic hydrocarbon?
A). Aspirin
B). Benzene
C). Chloride
D). Picric acid
Benzene
Benzene, C6H6, is the simplest aromatic hydrocarbon and was recognized as the first aromatic hydrocarbon, with the nature of its bonding first being recognized by Kekulé in the 19th century. Each carbon atom in the hexagonal cycle has four electrons to share.
1. Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ?
2. The mineral containing both magnesium and calcium is
3. Which of the following elements is non radioactive ?
4. Aluminum can be purified by
5. What is the second largest component in milk ?
6. How many electrons can be accommodated in d-orbital?
7. Which of the following vegetable oils does not contain essential fatty acids ?
8. The chemical(s) most commonly used for cloud seeding or artificial rainmaking is are
9. Nonstick kitchenwares are coated with
10. Question 5.6:What do you understand by activation of adsorbent? How is it achieved?