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GK QUESTION#3250

Assertion (A): Nonane is a liquid hydrocarbon used in the formulation of fuels and solvents. Reason (R): Nonane has a very high molecular weight and solidifies at room temperature, making it suitable for wax production.

  1. ABoth A and R are true, and R is the correct explanation of A.
  2. BBoth A and R are true, but R is not the correct explanation of A.
  3. CA is true, but R is false.Correct answer
  4. DBoth A and R are false.
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Answer

C. A is true, but R is false.

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Explanation

Nonane, C₉H₂₀, is a liquid alkane at ordinary room temperature and occurs in fuel and solvent mixtures. It does not normally solidify at room temperature as claimed in the reason. The assertion is true and the reason false; waxes usually involve higher alkanes.

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