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प्रश्न
Structural formula of benzene is
विकल्प
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उत्तर
The formula of benzene is C6H6. It has three alternate pi bonds in the ring of carbon atoms.
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संबंधित प्रश्न
Fill in the blank
...............is used in making black shoe polish.
Define the following:
Adsorption
Name the products formed when:
bone is heated in the absence of air.
Give two uses for the following:
sugar charcoal
Write the balanced chemical equations for the preparation of carbon dioxide by:
the action of dilute sulphuric acid on sodium bicarbonate.
Tick the most appropriate answer.
Each molecule of Buckminster fulierene contains 60 atoms of carbon arranged as balls consisting of 12 pentagons and
a. 20 hexagons
b. 30 hexagons
c. 40 hexagons
d. 50 hexagons
Name a gas which, though a compound of carbon, is not studied under organic chemistry.
Write three chemical properties of carbon.
List the conclusions you will draw while studying the following properties of ethanoic acid :
(a) Odour
(b) Solubility in water
(c) Effect on litmus paper
(d) Reaction with sodium hydrogen carbonate
Answer the following question.
What is methane?
Answer the following question.
What happens when methane compound burns in oxygen?
State in brief the transformation of vegetable matter to different types of coal varying in carbon content.
Carbon dioxide occurs both in the free state and in the combined state.
State three methods how carbon dioxide is added to the atmosphere.
Starting from carbon dioxide how would you obtain a fertilizer.
[Give balanced equations for the same]
Match the following.
| 1. | Alkyne | Bucky Ball |
| 2. | Andre Geim | Oxidation |
| 3. | C60 | Graphene |
| 4. | Thermocol | Triple bond |
| 5. | Combution | Polystyrene |
Higher Order Thinking Skill.
Why do carbon exist mostly in combined state?
Vinegar is a solution of
What is carbon monoxide? Why is it toxic?
About 18% of the weight of the human body is carbon.
Which theory was challenged by the synthetic preparation of Urea?
