The vibration of which bond gives an IR absorption that distinguishes between th

Question

The vibration of which bond gives an IR absorption that distinguishes between the following two compounds? CHCH2CH,OH O C-c CH,CH,OCH Given the stretching frequencies for the C-H bonds shown in green, arrange the corresponding bonds in order of increasing strength. Strength ranking A. R. H-H 3080 cm-1 RCH22850 cm1 3300 cm1 Explain your reasoning O O O Stronger bonds absorb at higher wavenumber Stronger bonds absorb at lower wavenumber Bond strength is unrelated to wavenumber The photolectron spectrum of an cation with a charge of 3+ (Y3+) is shown below What is the chemical symbol of the element Y? 100 10 lonization Energy (MJ/mol)

Explanation / Answer

1) The vibration of OH bond gives and IR absorption the distinguishes between the given compounds.

2) Lesser the wavelength, greater the bond strength

Thus, C < B < A

3) Atomic number of Xe = 54

Isoelectronic species are species with same numbre of electrons

Hence,I- , Ba2+ , are isoelectronic with Xe

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