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Although cholrine is electoon withdrawing group.yet it is ortho nd para directing in electrophilic aromatic substitution reactants.why? Ans) Halogens are an exception of the dea
Q. Show the chemical properties of Aluminium? Aluminium has a very high affinity for oxygen; this is reflected in high exothermic heat of formation of Al 2 0 3 (-1676 kJ mol -
what are causes of chemical bonding?
The shape of 2p orbital is ; (1) Spherical (2) Ellipsoidal (3) Dumb-bell (4)Pyramidal ans: Dumb-bell
Atomic emission spectrometry: In atomic emission spectrometry (AES), a reproducible and representative amount of the sample is introduced into an atomization-excitation source
Natural rubber - Types of Rubber It is acquired as latex from rubber trees. The latex is coagulated along with formic acid or acetic acid. The coagulated volume is after that s
1(a). In these reactions, I2 (in the iodine solution) has what oxidation number? 1(b). The iodine starch reaction that turns purple depends on iodine being in the I- state. Was
Schiff's reaction and Tischenko reaction (a) Schiff's reaction: this reaction restores pink colour to Schiff's reagent (aqueous solution of p-rosaniline hydrochloride decolouri
Q. Explain about Structural Isomerism? When two molecules have the same atoms but different bonds, they are called structural isomers. Thus, the variation of bond type or multi
Q. Evaluate precentage Proteins in Milk ? Milk comprises of casein, lactoalbumins and lactoglobulins. About 82 per cent of the protein in milk is casein and the remaining prot
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