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Indian Navy Pilot Carbon and its Compounds — practice questions

Explore 10 free Carbon and its Compounds questions in Indian Navy Pilot Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Carbon and its Compounds questions and exercises with answers

Showing questions 1–10 of 10.

Carbon forms bonds by:Read the answer and worked solution →Combustion of a hydrocarbon in plenty of oxygen produces:Read the answer and worked solution →How many valence electrons does a carbon atom have?Read the answer and worked solution →The general formula of an alkane is:Read the answer and worked solution →What is the IUPAC name of CH3CH2OH?Read the answer and worked solution →Which catalyst is used to add hydrogen across the double bond of an alkene?Read the answer and worked solution →Which of the following is an unsaturated hydrocarbon?Read the answer and worked solution →How can ethanol be converted to ethene?Read the answer and worked solution →Esterification reaction is usually carried out in the presence of:Read the answer and worked solution →Which of the following is the correct representation of electron dot structure of nitrogen?Read the answer and worked solution →

Worked practice questions

Carbon forms bonds by:

  1. losing 4 electrons
  2. sharing 4 electrons
  3. transferring 4 electrons
  4. gaining 4 electrons
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Correct answer: B. sharing 4 electrons

Carbon has 4 outer electrons. Removing or adding 4 needs too much energy, so carbon shares — forming covalent bonds.

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Combustion of a hydrocarbon in plenty of oxygen produces:

  1. CO₂ and H₂O
  2. CO and H₂O
  3. C and H₂O
  4. CH₂O
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Correct answer: A. CO₂ and H₂O

**Complete combustion:** CₓHᵧ + O₂ → CO₂ + H₂O + heat. Incomplete combustion (low O₂) gives CO and soot instead.

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How many valence electrons does a carbon atom have?

  1. Four
  2. Two
  3. Six
  4. Eight
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Correct answer: A. Four

1. Carbon has atomic number 6 with electronic configuration 2, 4. 2. The outermost shell holds four electrons. 3. These four valence electrons let carbon form four covalent bonds. 4. So the answer is four. _Source: syllabus Science Ch 4 'Carbon and its Compounds' (byjus.com extract)_

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More Chemistry topics

Alcohols Phenols EthersAlkenesOrganic ChemistryPolymersChemical EquilibriumStates of MatterAtoms and MoleculesClassification of Elements