Comprehension Passage
Grignard reagents are pivotal in organic chemistry, characterized by their organomagnesium composition (RMgX), where 'R' can be an alkyl or aryl group, and 'X' denotes a halogen such as chlorine, bromine, or iodine. This structure bestows upon them substantial reactivity due to the polar nature of the carbon-magnesium bond. Notably, Grignard reagents exclude the carboxylic acid (-COOH) group because of its acidic protons, which are incompatible with Grignard reactions. Parallelly, Methyl Ethyl Ketone (MEK), a key solvent with a sharp, acetone-like odor and excellent miscibility with water and organic solvents, finds extensive use across various industries, including resin, plastics, and synthetic rubber manufacturing. In the realm of solvents for the paint industry, Ethyl Alcohol stands out, although Methyl Alcohol and Iso-Propyl Alcohol are also utilized in specific applications such as formaldehyde production and coatings, highlighting the diverse solvent requirements across different industrial sectors.
Which is not present in Grignard reagent?
1
Methyl group
2
Magnesium
3
Halogen
4
-COOH group