Multiple choice

Match the columns ||| |---|---| |Column I (Complex) |Column II (Use)| |P. Ziegler-Natta catalyst|1. Polymerisation of alkenes| |Q. [PtCl2(NH3)2]|2. Cancer treatment| |R. [Ni(CO)4]|3. Mond's process| |S. RhCl(PPh3)3|4. Hydrogenation of alkenes|

  1. P - 1; Q - 2; R - 3; S - 4

  2. P - 4; Q - 2; R - 3; S - 1

  3. P - 1; Q - 3; R - 2; S - 4

  4. P - 2; Q - 1; R - 3; S - 4

  5. P - 3; Q - 2; R - 1; S - 4
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A Correct answer
Explanation

Ziegler-Natta catalysts are used to polymerise terminal-1 alkenes (ethylene and alkenes with the vinyl double bond). Cisplatin, cis-PtCl2(NH3)2, is an anti-cancer drug that is used to treat various types of cancers. On moderate heating, Ni(CO)4 decomposes to form carbon monoxide and nickel metal. Combined with the easy formation from CO and even impure nickel, this decomposition is the basis of Mond's process for the purification of nickel. Wilkinson's catalyst, (RhCl(PPh3)3, catalyses the hydrogenation of alkenes.

 

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