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explain the following termsa asymmetric moleculeb r and s
taking a specific example show that as total is a criterion for spontaneity of a changewrite the cell reactions which occur in lead storage batteryi
give chemical reaction in support of each of the following statementsi the 1 oxidation state gets stabilised progressively from ga to ti in groupii
mention two properties of acetonitrile b of which it acts as a good solventdraw a diagram showing the formation of bonding and antibonding molecular
give an example of a pseudo first order reactionwrite the iupac name of the following ch32
name a substance which on addition to agcl causes vacation vacancy in itmention a large scale use of the phenomenon called reverse
define the following observationsi most of the known noble gas compounds are those of xenonii cif3 exists but fci 3 does notiii between the hydrides
a how is aniline obtained from benzeneb why are the secondary amines more basic than primary amines describec write the complete chemical reactions
a starting from a sample of chromate ore how is potassium dichromate prepared explain all the steps included with chemical equationsb write the
write chemical tests to distinguish amonga phenol and benzoic acidb propanal and propanonec formic acid and acetic
write conditions and reactions for the following conversionsi chloroform into diethylcarbonateii phenol into salicylic acidiii 2-propanone into
give one significant use of each of the followingi bithionalii chloramphenicoliii streptomyciniv
what are hormones state the function of the following hormonesa testosteroneb
name the chemical components which constitute nucleotideswrite any two functions of nucleotides in a
using the valence bond approach reduce the shape and magnetic character ofwhat are elastomers write the chemical equation to show the preparation
how do you account for the followinga all scandium salts are white at no of sc 21b the first ionization energies of the 5d transition elements are
write one reaction each to exemplify the followinga aldol condensationb friedel-crafts
how are the following sole produceda sulphur solb
what are photochemical reactions explain the mechanism of the photo- chemical reaction occurring among hydrogen and chlorine
the standard free energy change for a reaction is -2123 kj mol -1if the enthalpy of the reaction is - 2167 kj mol-1 calculate the entropy change for
what are non-ideal solutionsdefine as to why non-ideal solutions deviate from raoults
caesiurn chloride crystallises as a body centred cubic lattice and has a density of 40 g cm-3 calculate the length of the edge of the unit cell of
mention the major reason for the anomalous behaviour of lithium in group of the periodic tablewhy is the third ionization energy of manganese at no
mention one property which is caused due to the presence of f-centre in a solida write down nernst equation for single electrode
q evaluate the gold number of athe coagulation of 100 ml of colloidal sol is completely prevented by adding 025g of a protective colloid a to it