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Benzene- Hydrocarbon
Benzene is the first or initial member of arenes. It was first revealed by Faraday in year 1825 from whale oil. Mitscherllich (1833) acquired it by distillating benzoic acid with lime. Hofmann (1845) got it from coal tar, which is as well a commercial source of benzene.
what is resonance effect? describe its application and its types?
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which of the following has smallest heat of hydrogenation per mole A) 1-Butene B)trans-2-butene C)cis-2-butene D)1,3-butadiene Ans) D)1,3-
Structure of Aldehydes and Ketones Carbonyl carbon atom is connected to three atoms by sigma bonds. As these bonds use Sp 2 -orbitals, they found in the same plane and are 120°
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Number of unpaired electrons in the ground state of beryllium atom is: (1) 2 (2) 1 (3) 0 (4) All the above Ans: 0
0.45 g of anhydrous oxalic acid is reacted with 50 ml of KMNO4 . Then normality of KMnO4 is??
Uses of Benzaldehyde - Aldehydes and Ketones Benzaldehyde is used, (a) In perfumery (d) In manufacture of dyes (c) In preparation of benzoic acid, cinnamic acid, cinna
WHAT IS THE EQUIVALENT WEIGHT OF Mg(HCO3)2
Q. Major functions of emulsifiers? The major functions of emulsifiers in food systems are as follows. The emulsifier: • modifies the intermolecular forces which stabilize
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