Chemistry – Chemical Compounds

1. Which of the following correctly represents the general formula for alkanes?

  1. CnH2n-1
  2. CnH2n+2
  3. CnH2n
  4. CnH
Show Answer

Answer: Option B. CnH2n+2

2. Which of the following statements about Xenon Hexafluoride is not correct?

  1. It does not react with silicon dioxide
  2. It is the strongest fluorinating agent
  3. It is a noble gas compound
  4. It is a colorless, crystalline solid
Show Answer

Answer: Option A. It does not react with silicon dioxide

3. Which of the following catalysts are commonly used during the hydrogenation process of Alkanes?

  1. Magnesium (Mg)
  2. Sodium (Na)
  3. Palladium (Pd)
  4. Beryllium (Be)
Show Answer

Answer: Option C. Palladium (Pd)

4. Which among the following options is correct about Acetylene?

  1. It’s the simplest alkyne with formula C2H2
  2. Acetylene cannot undergo combustion reaction
  3. Its molecular structure contains single bonds only
  4. Its chemical formula is C3H8
Show Answer

Answer: Option A. It’s the simplest alkyne with formula C2H2

5. Which of the following statements about Alkynes is NOT true?

  1. They contain carbon-carbon triple bonds
  2. They are unsaturated hydrocarbons
  3. Acetylene is an example of alkyne
  4. They are saturated hydrocarbons
Show Answer

Answer: Option D. They are saturated hydrocarbons