Carbon Compounds (10 Science)
Carbon forms the backbone of all organic compounds, which include hydrocarbons, alcohols, aldehydes, and carboxylic acids. Understanding carbon chemistry i
TL;DR: Carbon forms the backbone of all organic compounds, which include hydrocarbons, alcohols, aldehydes, and carboxylic acids. Understanding carbon chemis…
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Carbon forms the backbone of all organic compounds, which include hydrocarbons, alcohols, aldehydes, and carboxylic acids. Understanding carbon chemistry i
Carbon Compounds MCQs with Answers & Explanations
Q1. What is the general formula for alkanes?
- CnH2n
- CnH2n+2 ✓ (correct)
- CnH2n-2
- CnHn
Q2. Methane (CH4) is classified as:
- An alkene
- An alkyne
- An alkane ✓ (correct)
- An alcohol
Q3. Which of the following is an unsaturated hydrocarbon?
- Ethane
- Propane
- Ethene ✓ (correct)
- Methane
Q4. The functional group in alcohols is:
- -CHO
- -OH ✓ (correct)
- -COOH
- -CO-
Q5. Carboxylic acids contain the functional group:
- -OH
- -CHO
- -COOH ✓ (correct)
- -NH2
Q6. Which compound can be used as a fuel?
- Acetic acid
- Ethanol
- Benzene
- Both ethanol and benzene ✓ (correct)
Q7. The chemical formula for acetic acid is:
- CH3OH
- C2H5OH
- CH3COOH ✓ (correct)
- HCOOH
Q8. The reaction between an alcohol and a carboxylic acid produces:
- Water
- An aldehyde
- An ester ✓ (correct)
- A ketone
Q9. Which of the following is the structure of benzene?
- Straight chain with 6 carbons
- Hexagonal ring with alternating double bonds ✓ (correct)
- Open chain with 6 carbons and one double bond
- Three double-bonded carbons
Q10. The addition of hydrogen to unsaturated hydrocarbons is called:
- Oxidation
- Dehydration
- Hydrogenation ✓ (correct)
- Esterification
Frequently Asked Questions
What is the significance of covalent bonding in carbon compounds?
Carbon forms strong covalent bonds with other carbon atoms and elements, allowing for the formation of diverse structures from simple molecules to complex polymers. This versatility is why carbon is the basis of all organic chemistry.
How are isomers different from each other?
Isomers have the same molecular formula but different structural arrangements, which results in different physical and chemical properties. For example, butane and isobutane both have the formula C4H10 but different structures.
More 10 Science MCQs
- Light Reflection and Refraction
- Electricity
- Acids Bases and Salts
- Life Processes
- Carbon and its Compounds
- Metals and Non-metals
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