Write the chemical formula and name of the compound which is the active ingredient of all alcoholic drinks. List its two uses. Write chemical equation and name of the product formed when this compound reacts with: (i) sodium metal (ii) hot concentrated sulphuric acid.
Write the chemical formula and name of the compound which is the active ingredient of all alcoholic drinks. List its two uses. Write chemical equation and name of the product formed when this compound reacts with: (i) sodium metal (ii) hot concentrated sulphuric acid.
Official answer
Methane is a hydrocarbon with the chemical formula CH4. Its electron dot structure is shown below:
Marking scheme
- 1.Methane is a hydrocarbon with the chemical formula CH4.
- 2.It has four hydrogen atoms bonded to a central carbon atom.
- 3.The electron dot structure of methane is shown below:
Hint
Methane is a hydrocarbon with the chemical formula CH4. It has four hydrogen atoms bonded to a central carbon atom.
Quick oral answer
Methane is a hydrocarbon with the chemical formula CH4. It has four hydrogen atoms bonded to a central carbon atom. The electron dot structure of methane is shown below:
Common mistakes
- 1.Methane is not a hydrocarbon.
- 2.Methane has only three hydrogen atoms bonded to a central carbon atom.
- 3.The electron dot structure of methane is not shown correctly.
Analysis and explanation
Methane is a hydrocarbon with the chemical formula CH4. It has four hydrogen atoms bonded to a central carbon atom. The electron dot structure of methane is shown below:
Interesting facts
Methane is the simplest hydrocarbon.
Methane is a potent greenhouse gas.
Methane is used as a fuel.
Question details
Q17 of 37 questions
- Board
- CBSE
- Class
- Class 10
- Subject
- Science
- Year
- 2019
- Section
- Section D
- Marks
- 5
- Type
- Long Answer
- Chapter
- Chemical Reactions and Equations
- Topic
- Chemical Reactions and Equations
- Bloom's level
- Analysis
- Syllabus topic
- Chemical Reactions and Equations
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Frequently asked questions
How many marks does this question carry in CBSE Class 10 Science 2019?
This question carries 5 marks in the CBSE Class 10 Science 2019 examination.
Which chapter does this question come from in Science?
This question is from the chapter "Chemical Reactions and Equations" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Chemical Reactions and Equations" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2019 paper?
This is a Long Answer question from Section D in the CBSE Class 10 Science 2019 paper.