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Selina Concise Chemistry Class 10 ICSE Solutions Organic Chemistry  Selina Concise Chemistry Class 10 ICSE Solutions Organic Chemistry Exercise 12(A) Solution 1. (a) 2,2- dimethylpropane (b) 2-methyl butane (c) Prop-1-ene (d) 2,2- dimethyl pentane (e) Pent-2-yne (f) 3-methyl but-1-yne (g) 2,3-dichloropentane (h) 3-methylheptane (i) 2-methyl butane (j) Hept-2-yne (k) 2,2- dimethyl hexanal (l) Pentan-2-ol (m) 4-methylpentanoic acid (n) 2-bromo2-methyl butane (o) 1- bromo3-methyl butane Solution 2. The structure of the following compounds are: (a) Prop-1-ene CH3-CH=CH2 (b) 2,3-dimethylbutane CH3-CH(CH3)-CH(CH3)-CH3 (c) 2-methylpropane CH3-CH(CH3)-CH3 (d) 3-hexene CH3-CH2-CH=CH-CH2-CH3 (e) Prop-1-yne CH3-C≡CH (f) 2-methylprop-1-ene CH3-C(CH3)=CH2 (g) Alcohol with molecular formula C4H10O CH3-CH2-CH2-CH2-OH Solution 3. (a) Correct answer: (iv) CnH2n+1 is the formula for alkyl group. Hence it i...