SOLVED

21) Which of the following compounds exhibits geometric isomerism? A) CH2=CH2 B) CH2=CCl2 C) CBr2=CHBr D) CHCl=CHCl E) (CH3)2C=CH-CH3 22) Write a balanced chemical reaction to represent the combustion of 2,2-dimethylpropane. A) C5H12 + 8 O2 → 5 CO2 + 6 H2O B) C3H8 + 5 O2 → 3 CO2 + 4 H2O C) C5H12 + H2 → CH4 + 2 C2H6 D) C3H8 + H2 → CH4 + C2H6 E) 2 C3H8 + O2 → 3 CH4 + 2 H2O 23) Write a balanced chemical equation to represent the reaction of 3-ethyl-2-methylhexane with Br2. A) C7H14 + Br2 → C7H12Br + HBr B) C9H20 + Br2 → C9H19Br + HBr C) C6H12 + Br2 → C6H10Br2 + H2 D) C9H18 + Br2 → C9H16Br2 + H2 E) C6H12 + Br2 → C6H11Br + HBr 24) Write the balanced chemical equation that represents the addition of Cl2 to CH3CH=CH2. A) CH3CH=CH2 + Cl2 → CH3CHClCH3 + HCl B) CH3CH=CH2 + Cl2 → CH3CCl=CHCl + H2 C) CH3CH=CH2 + Cl2 → CH3CHClCH2Cl D) CH3CH=CH2 + 2 Cl2 → CH3CHCl2 + CH2Cl2 E) CH3CH=CH2 + 2 Cl2 → CH3CCl2CHCl2 + H2 25) Write the balanced chemical equation for the addition of 2 Br2 to CH3C≡CH. A) CH3C≡CH + 2 Br2 → CH3CBr2CHBr2 B) CH3C≡CH + 2 Br2 → CH3CBr=CHBr C) CH3C≡CH + 2 Br2 → CH3CH2CHBr2 D) CH3C≡CH + 2 Br2 → CH3CBr2CH3 E) CH3C≡CH + 2 Br2 → CH3CHBrCH2Br 26) Complete and balance the following addition reaction. CH3CCCH3 + 2 Cl2 → ? A) CH3CCCH3 + 2 Cl2 → CH3CCl2CCl2CH3 B) CH3CCCH3 + 3 Cl2 → 2 CH3CCl3 C) CH3CCCH3 + 2 Cl2 → 4 CH3Cl D) CH3CCCH3 + 4 Cl2 → 4 CH2Cl2 E) CH3CCCH3 + Cl2 → CH3CHClCHClCH3 27) Write the balanced chemical equation for the catalytic hydrogenation (addition of H2) to CH3CH=CHCH3. A) CH3CH=CHCH3 + 2 H2 → 2 CH3CH3 B) CH