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Method for Detection of Elements - Oxygen
There is no any type of satisfactory qualitative method for the detection of oxygen. Though, its presence can be inferred indirectly.
(i) If the organic compound is heated only in a dry test tube in the existence of nitrogen, the formation of water drops on cooler parts of the tube may point out the existence of oxygen.
(ii) The existence of oxygen can be inferred by testing the presence of functional groups known to consist of oxygen, for example, hydroxyl (-OH), aldehydic (-CHO), carboxyl (-COOH) groups, etc.
The frequency of a wave of light is 12x 10 14 s -1 . The wave number associated with this light is: (1) 5x10 -7 m (2) 4x 10 -8 cm -1
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Hello,">http://misterguch.brinkster.net/WKS001_033_418188.pdf Hello, I''m Ronnie. I don''t know how to do problem number 1. Could you help me with just this one?
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