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Quantitative analysis - Estimation of Elements
After qualitative analysis of elements, the another step in the determination of molecular formula of an organic compound is the estimation of several elements by mass, that is finding the percentage composition of the elements by mass. The several methods generally employed for the estimation of principal elements are as follow:
1. Carbon and Hydrogen
2. Nitrogen
3. Halogens
4. Sulphur
5. Phosphorous
6. Oxygen
please tell the observation & inference, when ammonium phosphate (NH4)3PO4 undergoes charcoal cavity test & cobalt nitrate test.....
Which of the following is ideal for Oxidation of propene to propan-1-ol a)Alkaline KMnO 4 b)B 2 H 6 /Alkaline KMnO 4 c)O 3 /Zn dust d)CrO 3 Ans) B 2 H 6 /Alkaline KMno4 is th
Q. Give Basic diffrence betwwen Fission and Fusion? A quick way to remember the difference between fission and fusion: Fusion Fuses: In the nuclear reaction, nuclei are act
maximum no of unpaired electrons a)mn2+ b)ti3+ c)v3+ d)fe2+
Which one is not the correct relation in the following: (1) h= E/ v (2) E= mc 2 (3) Δ x × p = h/ 4 Π (d) γ
biosorption of methylene blue dye using acid treated mango leaf powder
The boron trihalides are highly volatile; BF 3 (b. p., 173 K) and BCI 3 , (b. p., 260.5 K are gases, BBr 3 a volatile liquid (b. p., 319 K) and Bl 3 a low melting solid (m. p.,
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markonise and anti markonise
Q. Why elimination occurs instead of nucleophilic substitution when ethyl chloride reacts with alcoholic potassium hydroxide? Ans: Ethyl chloride can undergo both nucleophilic sub
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