Question
How can phenol be converted to aspirin?
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Why do noble gases have comparatively large atomic sizes?
Write down physical state, colour and ordour of halogen compound.
Define osmosis. Write the name of the method used in desalination of sea-water.
Which alkyl halide from the following pairs would you expect to react more rapidly by an SN2 mechanism? Explain your answer.
$\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{Br}\ \text{or}\ \text{CH}_3\text{CH}_2\text{CH}\text{CH}_3\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \mid\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Br}$
→→$\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{Br}\ \text{or}\ \text{CH}_3\text{CH}_2\text{CH}\text{CH}_3\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \mid\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Br}$
Using the standard electrode potentials given in Table 3.1, predict if the reaction between the following is feasible:
Fe3+(aq) and I– (aq)
Fe3+(aq) and I– (aq)
Consider a certain reaction A → Products with k = 2.0 × 10–2s–1. Calculate the concentration of A remaining after 100 s if the initial concentration of A is 1.0 mol L–1.
Write the equation of trimerization and tetramerization of acetaldehyde.
(i) How will you prepare methanol from formaldehyde without using a reducing agent?
(ii) Why is Rochelle salt used in Fehling's solution?
(ii) Why is Rochelle salt used in Fehling's solution?
Sucrose decomposes in acid solution into glucose and fructose according to the first order rate law, with t1/2 = 3.00 hours. What fraction of sample of sucrose remains after 8 hours?