JEE Main Chemistry question

Which of the statements is wrong for alkanes? [MP PET 2003]

(A)Most of the alkanes are soluble in waterCorrect
(B)Their density is always less than water
(C)At room temperature some alkanes are liquid, some solid and other are gases
(D)All alkanes burn

Answer: (A)

Solution

Alkanes are non-polar hydrocarbons and are essentially insoluble in water (which is highly polar and hydrogen-bonded) — "like dissolves like" fails between the two. All alkanes have

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Question ID VK-142214