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Which of the following compounds has sp3, sp2, and sp hybridized carbons?

1. CH3-CH=CH-CH2
2. CH3-C≡C-CH3
3. CH3-CH=CH-C=CH2
4. CH3-CH2-CH=CH-CH3

Correct answer: CH3-CH=CH-C=CH2

Solution

Option C (CH3-CH=CH-C=CH2) contains sp3 hybridized carbons in CH3, sp2 hybridized carbons in CH=CH, and sp hybridized carbon in C=CH2. This combination satisfies the condition.

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