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Why does methyl ethanoate not give iodoform test while ethyl ethanoate does?
Ans) Iodoform test for esters is the test given by its products on hydrolysismethyl ethanoate gives methanol and ethanoic acid etyl ethanoate gives ethanol and ethanoic acid fuirther methanol on oxidation gives formaldehyde and ethanol gives ethanal so ethanal and hence ethanol gives positive iodoform test therefore ethyl ethanoate responds whereas methyl ethanotae doesnt
(a) Given the values below, calculate the concentration of benzoyl peroxide required to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical polymer
Designate on an energy level diagram thee conduction and valence bands, acceptor & donor states and position of Fermi level for (i) An intrinsic semiconductor. (ii) A n-type
Benzene is a very symmetrical compound Benzene is a very symmetrical compound. The carbon framework is essentially a planar hexagon. Because of its resonance structures, all car
Q.give characterstics of matter?
Cavitation occurs when the pressure in localized regions reaches the vapor pressure. This can cause actually cause structural damage if vapor bubbles form and burst. Consider a sys
the dug known as LSD has the formula C20H25N3O.one suspected sample contained 74.7%C,7.95%H,9.99%N.calculate the theoretical percentages to four significant figures
What is the packet of energy called: (1) Electron (2) Photon (3) Positron (4)Proton Ans: Photon
Digestion of food Digestion is the procedure through which complex constituents of food are broken down into simple molecules by a number of enzymes in mouth, stomach, and smal
What steps should be taken to minimize the risk of spoilage and wastage of the harvested produce during packing and transportation? What factors need to be considered while t
what is the balanced equation of the burning of an unknown hydrocarbon, C4H9 in air
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