33- Which of the following most favours elimination rather than substitution in a reaction with 1-bromo-5-methylhexane? i) sodium isoproxide ii) sodium ethoxide iii) sodium methoxide iv) sodium tert-butoxide v) potassium ethoxide

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Q: Which of are neutral salts? 口 KF O KNO3 OSrBr, O Sr(OH), O HF O NH,Br

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Q: HO, SOCI2 HO, 8

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A: Half-life of Po-211 = 0.516 s

UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or  ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.