DAsKLiBrO/ 10 Eng /12 Chem

 1. Which of the following molecules has a chiral centre correctly labelled with an asterisk (*) ?   (a) CH 3 C*HBrCH 3   (b) CH 3 C*HClCH 2 Br  (c) HOCH 2 C*H(OH)CH 2 OH  (d) CH 3 C*Br 2 CH 3      2. Which of the following alcohols will not undergo oxidation ?   (a) Butanol  (b) Butan-2-ol   (c) 2-Methylbutan-2-ol  (d) 3-Methylbutan-2-ol   3. A voltaic cell is made by connecting two half cells represented by half equations below :   Sn 2+ (aq) + 2e – ® Sn(s) E ° = – 0.14 V Fe 3+ (aq) + e – ® Fe 2+ (aq) E ° = + 0.77 V Which statement is correct about this voltaic cell ?   (a) Fe 2+ is oxidised and the voltage of the cell is –0.91 V   (b) Sn is oxidised and the voltage of the cell is 0.91 V   (c) Fe 2+ is oxidised and the voltage of the cell is 0.91 V   (d) Sn is oxidised and the voltage of the cell is 0.63 V...