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NCERT Class XI Chemistry Organic Chemistry Some basic principles and Techniques Solutions

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Question : 36 of 40
Marks: +1, -0
In the organic compound
CH2=CH−CH2−CH2−C≡CH\mathrm{CH_2=CH-CH_2-CH_2-C\equiv CH}
, the pair of hybridised orbitals involved in the formation of: C2−C3\mathrm{C_2-C_3} bond is
Solution:  
The carbon atom in the given compound may be numbered as :
H2C1= CH2− CH23− CH24− C5≡ CH6\overset{1}{\mathrm{H_2C}} =\, \overset{2}{\mathrm{CH}} -\, \overset{3}{\mathrm{CH_2}} -\, \overset{4}{\mathrm{CH_2}} -\, \overset{5}{\mathrm{C}} \equiv \, \overset{6}{\mathrm{CH}}
Thus, C2−C3\mathrm{C_2-C_3} are bonded by sp2−sp3\mathrm{sp^2-sp^3} hybrid orbitals.
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