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NCERT Class XI Chemistry Hydrocarbons Solutions

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Question : 2 of 25
Marks: +1, -0
Write IUPAC names of the following compounds:
(a) CH3CH=C(CH3)2\mathrm{CH}_3\mathrm{CH}=\mathrm{C}(\mathrm{CH}_3)_2 (b) CH2=CH−C≡C−CH3\mathrm{CH}_2=\mathrm{CH}-\mathrm{C}\equiv\mathrm{C}-\mathrm{CH}_3
(c)
(d)
(e)
(f) CH3(CH2)4C∣CH2−CH(CH3)2H(CH2)3CH3\mathrm{CH}_3(\mathrm{CH}_2)\underset{\underset{\mathrm{CH}_2-\mathrm{CH}(\mathrm{CH}_3)_2}{\vert}}{_4\mathrm{C}}\mathrm{H}(\mathrm{CH}_2)_3\mathrm{CH}_3
(g)
CH3−CH=CH−CH2−CH=CH−C∣C2H5H2−CH=CH2\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2-\mathrm{CH}=\mathrm{CH}-\underset{\underset{\mathrm{C}_2\mathrm{H}_5}{\vert}}{\mathrm{C}}\mathrm{H}_2-\mathrm{CH}=\mathrm{CH}_2
Solution:  
(a) 2 - Mehtylbut - 2 - ene
4CH3−3CH=2C∣CH3−1CH3_{4}\mathrm{CH}_3-_{3}\mathrm{CH}=_{2}\underset{\underset{\mathrm{CH}_3}{\vert}}{\mathrm{C}}-_{1}\mathrm{CH}_3
(b) Pent - 1 - en - 3 - yne
1CH2=2CH−3C≡4C−5CH3_{1}\mathrm{CH}_2=_{2}\mathrm{CH}-_{3}\mathrm{C}\equiv_{4}\mathrm{C}-_{5}\mathrm{CH}_3
(c) Bua - 1 , 3 - diene
(d) 4 - Phenylbut - 1 - en
(e) 2 - Methyphenol
(f) 5 - (2 - Methylpropyl) decane
10CH3−9CH2−8CH2−7CH2−6CH2−5H∣CH2−CC∣CH3H−CH3−4CH2−3CH2−2CH2−1CH3^{10}\mathrm{CH}_3-^{9}\mathrm{CH}_2-^{8}\mathrm{CH}_2-^{7}\mathrm{CH}_2-^{6}\mathrm{CH}_2-^{5}\underset{\underset{\mathrm{CH}_2-\mathrm{C}\underset{\underset{\mathrm{CH}_3}{\vert}}{\mathrm{C}}\mathrm{H}-\mathrm{CH}_3}{\vert}}{\mathrm{H}}-^{4}\mathrm{CH}_2-^{3}\mathrm{CH}_2-^{2}\mathrm{CH}_2-^{1}\mathrm{CH}_3
(g) - Ethyldeca - 1 , 5 , 8 - triene
10CH3−9CH=8CH−7CH2−6CH=5CH−4C∣C2H5H−3CH2−2CH=1CH2^{10}\mathrm{CH}_3-^{9}\mathrm{CH}=^{8}\mathrm{CH}-^{7}\mathrm{CH}_2-^{6}\mathrm{CH}=^{5}\mathrm{CH}-^{4}\underset{\underset{\mathrm{C}_2\mathrm{H}_5}{\vert}}{\mathrm{C}}\mathrm{H}-^{3}\mathrm{CH}_2-^{2}\mathrm{CH}=^{1}\mathrm{CH}_2
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