nickel carbonyl वाक्य
उदाहरण वाक्य
मोबाइल
- Nickel is obtained from nickel carbonyl by one of two processes.
- These compounds can also be obtained by reduction of nickel carbonyl.
- Nickel carbonyl poisoning is characterized by a two-stage illness.
- In the Mond process, nickel carbonyl is used to produce pure nickel.
- He collaborated with his father in the discovery of the gaseous compound nickel carbonyl.
- This process involves the fact that carbon monoxide combines with nickel readily and reversibly to give nickel carbonyl.
- In the alternate process, nickel carbonyl is decomposed in a smaller chamber at 230 �C to create a fine nickel powder.
- The dissociation energy is 105 kJ mol " 1 for nickel carbonyl and 155 kJ mol " 1 for chromium hexacarbonyl.
- :: Nickel has the sentence " Nickel is reacted with carbon monoxide at around 50 degrees Celsius to form volatile nickel carbonyl ".
- In nickel carbonyl and other carbonyls, the electron pair on the carbon interacts with the metal; the carbon monoxide donates the electron pair to the metal.
- He discovered nickel carbonyl, a previously unknown compound and the first-discovered in the class of metal carbonyls, which could be easily Clydach, near Swansea, Wales for final purification.
- Nickel carbonyl is formed with carbon monoxide already at 80 �C and atmospheric pressure, finely divided iron reacts at temperatures between 150 and 200 �C and a carbon monoxide pressure of 50 to 200 bar.
- The Occupational Safety and Health Administration ( OSHA ) has set the legal limit ( permissible exposure limit ) for the workplace at 1 mg / m 3 per 8-hour workday, excluding nickel carbonyl.
- Iron carbonyl is stable as iron pentacarbonyl, where five carbon monoxide molecules are pendantly bonded to the iron atom, while nickel carbonyl is stable as nickel tetracarbonyl, which has four carbon monoxide molecules pendantly bonded to the nickel atom.
- The reaction with nickel tetracarbonyl, for example, proceeds through an unstable acyl nickel carbonyl complex which then undergoes electrophilic substitution to give the desired aldehyde ( using H + as the electrophile ) or ketone ( using an alkyl halide ) product.
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