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how many degrees of unsaturaion exist in benzonitrile and 3-nitro benzonitrile?
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- Show which peaks associate with which carbons and hydrogens in the benzaldehydeHow many degrees of unsaturation (or DBE) are present in (2E,6E)-2,6-Bis(4-methoxybenzylidene)cyclohexanone?What is the strongest IMF in pure 2-octanone? I know it is a ketone and has some polarity due to this, but the carbon chain so long, I wonder if london dispersion forces are stronger?
- Rank the pKa values of acetic acid, ethanol, phenol, and explain the reason in detailProvide at least one (1) test that could differentiate n-pentanol and pentanal and give the expected visible result/s. [n-pentanol and pentanal]True or False1. The solubity of monocarboxylic acid in water increases as the alkyl chain increases in length2. The resulting iodinated aspirin has a higher Rf compared to aspirin after visualizing with ferric chloride3. Substitution reactions do not occur in aromatic rings because of pi-electron delocalization
- Sketch and explain the IR, UV, mass, and NMR (1H and 13C) spectroscopy data of BenzonitrileWhy is the boiling point of 2-bromobutane lower than that of 1-bromobutane. Your answer should go beyond the observation of structural differences.Using the attached infrared spectroscopy spectrum for the compound Heptanal, identify the functional group and any observed characteristic absorbtions in cm-1. Compare with the attached roadmap for interpreting IR spectra.
- Select one: True or False 1- In case of homo-binuclear covalent bond (of atoms of the same element) and hetero-binuclear covalent bond of very low electronegativity difference (as that between carbon and hydrogen), the bond is very strong and of no or minimum polarity hence not cleaves in water 2-In this compound complexation ( in the image ) is used for qualitative/quantitative identification of phenolic compounds where salicylic acid is chelated by the iron metal in ferric chloride to form water soluble violet color complex 3-Complexes are of different stability some are stable only in aqueous other are stable in both solid and solution however, for the maximum complex stability high metal anaionic charge, small transient metal atom radius and occupied d orbital are required.please provide the machanisms of 1a, 1e, 1f1 i. What is Resonance Theory? Sate five conclusions that can be drawn from the theory. ii. State the two main experiments that were used to establish the extra stability of the benzene molecule. iii. What are the factors that confer Aromaticity to an organic molecule? iv. State the effects of substituents on a benzene derivative towards further aromatic substitution. V. Based on the above suggest the various types of substituents that can be attached to Benzene.