contestada

Which of the following claims may be made based on your observations? (You will recieve negative points for wrong answers.)

(A) If the chloro complex is a product, then the reaction must be exothermic.
(B) The chloro complex is favored by cooling.
(C) The chloro cobalt complex is pink and the aqua cobalt complex is blue.
(D) If the chloro complex is a product, then the reaction must be endothermic.
(E) The chloro complex is favored by heating.
(F) The chloro cobalt complex is blue and the aqua cobalt complex is pink.

Respuesta :

Answer:

D, E and F

Explanation:

About tetrachloro cobalt complexes, the following facts have been observed  

  • Color of the tetrachloro cobalt complexes is blue.
  • They do not decompose on heating that means synthesis of tetra chloro is endothermic.

About hexa aqua cobalt complexes, the following facts have been observed  

  • Color of the hexa aqua cobalt complexes is pink color.
  • They decompose on heating and remain stable on cooling that means process of synthesis of hexa aqua cobalt complexes is exothermic.

Based on above, the correct statements are:

The correct is chloro cobalt complex is blue and aqua cobalt  

complex is pink.  

The chloro complex is favored by heating.

If the chloro complex is a product, then the reaction must be endothermic.

The correct options are D, E and F.

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