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Drying of Organic Substances- purification of organic compounds
Several solids are dried first by pressing them gently in between folds of filter papers. Compounds that neither decompose on heating nor melt below 100oC are dried through keeping them in steam or oven maintained at 110oC. Substances that decompose on heating are dried by keeping them in a vacuum desiccator consisting of an appropriate dehydrating agent such as fused CaCl2, conc. H2SO4, P4O10 solid KOH or NaOH, etc (desiccant).
The orbital with maximum energy is: (1) 3d (2) 5p (3) 4s (4) 6d Ans: 6d
Explain Protonation Protonation of the ring double bond gives a tertiary carbocation that reacts with the carbonyl oxygen of the ester to give the lactone.
Optical glass: They contain phosphorous as replacement for most of all the silica and lead silicate, containing a little CaO 2 , the latter is capable of absorbing ultraviolet lig
Q. What is gluten? What is gluten? Certainly you know that gluten is the protein found in wheat. Gluten is more or less made up of equal parts of gliadin and glutenin. Look up
WHAT IS EBT
inductive effect of -OH and -CHO group
In a Ecell, why do you flip the value of the smaller value?
Which of the following ions is not having the configuration of neon: (1) F - (2) Mg +2 (3) Na + (4
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A cubic solid is made of two elements X and Y. Atoms V are at the corners of the cube and X at the body centre. What is the formula of the compound?
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