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Engineering Exams RRB-JE CMA (Chemical and Metallurgical Assistant) Technical Abilities 2025 22.04.25 Paper-2 Shift-1 Medium +1 -0.33
Identify the INCORRECT pair from the given options.
Correct Answer: C. Alkanes - Unsaturated hydrocarbons
Explanation: Alkanes are categorized as saturated hydrocarbons because they consist entirely of single bonds between carbon atoms, allowing them to hold the maximum possible number of hydrogen atoms. In contrast, unsaturated hydrocarbons, such as alkenes and alkynes, contain at least one double or triple bond. The other pairs provided are accurate: hydrocarbons are composed of hydrogen and carbon, while alkenes and alkynes are defined by their specific double and triple carbon bonds, respectively.
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