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Classification of polymers
Classification lies on source of availability: They are categorized as
(a) Natural polymers
(b) Synthetic polymers
(c) Semi-synthetic polymers
Nucleophilic addition reactions: While the addition reaction takes place on account of the initial attack of nucleophile, the reaction is known as a nucleophilic addition react
According to Bohr's principle, the relation between principle quantum number and radius of orbit is: (1) r ∞ n (2) r ∞ n 2 (3) ∞1/n (4) r∞ 1/ n 2 Ans: r
Distinguish between van''t Hoff Method and Oswald Isolation Method. In each case give an expression for the rate of reaction.
nomenclature of esters
verify the law of multiple proportions for an element X, which forms oxides having percentages of X equal to 77.4%, 63.2%,69.6% and 72.0%
Convert formic acid to acetic acid
Explain Cellobiose Cellobiose is a dimer of D-glucose, it is hydrolyzed by aqueous acid into two molar equivalents of D- glucose.
names of acid redicals of group 1
Q. What are the Chemical Properties of Halogens? Ans. he halogens have 7 valence electrons in their outermost shell. Note that 7 is one electron short of the octet.
Nitrogen has the electronic configuration 1s 2 , 2s 2 , 2p 1 x , 2p 1 y , 2 p 1 z and not 1s 2 , 2s 2 , 2p 2 x , 2p 1 y , 2 p 0 z which is determined by: (1) Aufb
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