protonation वाक्य
उदाहरण वाक्य
मोबाइल
- Upon protonation, the unstable weak acid nitrous acid is produced.
- Protonation helps to delocalize the otherwise trapped diiminoquinone-diaminobenzene state.
- This positive charge comes from protonation of its free amino groups.
- Theoretically, Auger spectra can also be utilized to distinguish between protonation states.
- Firstly, it involves protonation of the hydroxyl group.
- Excess acid locks the crown ether by protonation and again the complex is dethreaded.
- It can be formed by protonation or self-ionic dissociation of hydrogen fluoride:
- The state of protonation is usually not specified.
- Usually ionic hydrogenation is shown to occur in two steps, starting with protonation.
- Protonation prevents it acting as a ligand and the copper site geometry becomes trigonal planar.
- Protonation is also an essential step in certain analytical procedures such as electrospray mass spectrometry.
- The site of protonation can be very important, for example, for biological activity.
- The halogen decreases the basicity of the carbonyl oxygen, thus making protonation less favorable.
- Protonation occurs onto the sp?hybridized nitrogen.
- Birch did not accept this conclusion and continued suggesting meta protonation of the radical anion.
- Acid catalysis involves protonation of the bromide, converting it to a better leaving group.
- Other hydrocarbon oxonium ions are formed by protonation or alkylation of alcohols or ethers ( ).
- The coordination of the metal cation to the glutamate residue stabilizes the carbiocation intermediate after protonation.
- Other investigators have thought the protonation is meta ( 1, 3 ) to the substituent.
- Subsequently, in 1992 and 1996 Birch published twice still suggesting that meta protonation was preferred.
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