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PhF behaves rather differently from other halobenzene derivatives owing to the pi-donor properties of fluoride. For example, the para position is more activated than benzene toward electrophiles. For this reason, it can be converted to 1-bromo-4-fluorobenzene with relatively high efficiency. [3]
Under Australian regulations, the following are examples of potentially hazardous foods: Raw and cooked meat or foods containing meat, such as casseroles, curries and lasagne; Dairy products, for example, milk, custard and dairy based desserts; Seafood (excluding live seafood); Processed fruits and vegetables, for example, salads;
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A group of potentially toxic “forever chemicals,” mostly coming from prescribed drugs, may be contaminating drinking water for millions of Americans, as wastewater treatment plants fail to ...
Halobenzene derivatives (4 C, 1 P) Halobenzenes (5 C, 1 P) I. Iodobenzene compounds (2 C) This page was last edited on 1 February 2024, at 18:51 (UTC). Text is ...
This is a list of unsolved problems in chemistry. Problems in chemistry are considered unsolved when an expert in the field considers it unsolved or when several experts in the field disagree about a solution to a problem.
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This is an alphabetical list of environmental issues, harmful aspects of human activity on the biophysical environment. They are loosely divided into causes, effects and mitigation, noting that effects are interconnected and can cause new effects.