MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Organic ChemistryHydrocarbonsPrevious Year Questions

Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear? (AIPMT 2011)

A.CH3—CH=CH—CH3

B.CH3–C≡C—CH3✓ Correct

C.CH2=CH—CH2–C≡CH

D.CH3–CH2–CH2–CH3

Explanation

CH3–C≡C—CH3 In case of sp3 hybridised carbon, bond angle is 109° 28′; sp2 hybridised carbon, bond angle is 120° and sp hybridised carbon, bond angle is 180°. So, only is linear 3 2 3 CH Cl H O Hot iron tube 2 2 2 6 6 6 5 3 AlCl 3CaC 3C H C H C H CH -> -> -> HYDROCARBONS 34

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