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  2. Captodative effect - Wikipedia

    en.wikipedia.org/wiki/Captodative_effect

    The olefins contained an EWG nitrile group and varying EDGs and the effect of varying EDGs on the rate of the addition reactions was observed. The process studied was: The process studied was: The rate of the addition reaction was accelerated by the following EDGs in increasing order: H < CH 3 < OCH 2 CH 3 .

  3. Chemical protective clothing - Wikipedia

    en.wikipedia.org/wiki/Chemical_protective_clothing

    Chemical warfare protective clothing. Chemical protective clothing (CPC) is clothing worn to shield those who work with chemicals from the effects of chemical hazards that can cause injuries on the job. It provides a last line of defense for chemical safety; it does not replace more proactive measures like engineering controls. [1]

  4. Electron-withdrawing group - Wikipedia

    en.wikipedia.org/wiki/Electron-withdrawing_group

    The strength of the electron-withdrawing group is inversely proportional to the pKa of the carboxylic acid. [2] The inductive effect is cumulative: trichloroacetic acid is 1000x stronger than chloroacetic acid. The impact of the EWG on pKa decreases with distances from the carboxylic group.

  5. Category:Safety clothing - Wikipedia

    en.wikipedia.org/wiki/Category:Safety_clothing

    This page was last edited on 21 December 2022, at 01:40 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  6. Personal protective equipment - Wikipedia

    en.wikipedia.org/wiki/Personal_protective_equipment

    Equipment for use in preventing spread of disease, such as by exposure to infected individuals or contamination or infection by infectious material (including nitrile and vinyl gloves, surgical masks, respirator masks and powered air purifying respirators and required filters, face shields and protective eyewear, surgical and isolation gowns ...

  7. Electrophilic aromatic directing groups - Wikipedia

    en.wikipedia.org/wiki/Electrophilic_aromatic...

    Only the dimer form is available for +M effect. However, the dimer form is less stable in a solution. Therefore, the nitroso group is less available to donate electrons. Oppositely, withdrawing electron density is more favourable: (see the picture on the right). The -M effect of the nitroso group. As a result, the nitroso group is a deactivator.

  8. Nitroalkene - Wikipedia

    en.wikipedia.org/wiki/Nitroalkene

    A nitroalkene, or nitro olefin, is a functional group combining the functionality of its constituent parts, an alkene and nitro group, while displaying its own chemical properties through alkene activation, making the functional group useful in specialty reactions such as the Michael reaction or Diels-Alder additions.

  9. Protecting group - Wikipedia

    en.wikipedia.org/wiki/Protecting_group

    A tricoordinate phosphorus, used on account of the high reactivity, is tagged with a cyanoethyl protecting group on a free oxygen. After the coupling step follows an oxidation to phosphate, whereby the protecting group stays attached. Free OH-groups, which did not react in the coupling step, are acetylated in an intermediate step.

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