reactivity of allyl and benzyl halides towards nucleophilic substituti
why allyl halide and haloarenes are more reactive than alkyl halide towards nucleophilic substitution
Help me to solve this problem. An aqueous solution of glucose was prepared by dissolving 18 g of glucose in 90 g of water. The relative lowering in vapour pressure is: (a) 0.02 (b)1 (c) 20 (d)180
are halides are halogens more soluble? why?
Give me answer of this question. The formula weight of H2SO4 is 98. The weight of the acid in 400mi of solution is: (a)2.45g (b) 3.92g (c) 4.90g (d) 9.8g
A 500 gm tooth paste sample has 0.2g fluoride concentration. Determine the concentration of F in terms of ppm level: (a) 250 (b) 200 (c) 400 (d) 1000Answer: (c) F-ions in ppm = (0.2/500) x 106 = 400
What do you mean by the term alum? Also illustrate its uses?
What do you mean by the term enzymes? Briefly illustrate it.
what is the basicity of primary secondary and tertiary amines in chlorobenzene
The temperature reliance of internal energy and enthalpy depends on the heat capacities at constant volume and constant pressure. The internal energy and enthalpy of chemical systems and the energy changes that accompany chemical reactions depend on the
Detail the moles of HCl which are present in .70 L of a .33 M HCl solution?
Give me answer of this question. The number of moles of solute per kg of a solvent is called its: (a) Molarity (b) Normality (c) Molar fraction (d) Molality
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