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q describe peroxomonosulphuric acidit is also known as permonosulphuric acid it is obtained by the action of chlorosulphuricacid on cold anhydrous
q show reversible and exothermic reactionthe fact that so2 can be oxidised to so3 by air in the presence of platinum catalyst is the basis of the
q explain lead chamber processlead chamber process is the older of the two processes in this process so2 is produced by burning s or roasting
q explain about sulphuric acidsulphuric acid is one of the most important chemicals both in industry as well as in the laboratorytwo methods are
q describe sulphurous acid sulphurous acid h2so3 is known only in solution it exists mainly as a hydrate of sulphur dioxide so2 7h2o two series of
q show the oxoacids of sulphuras you know oxoacid is an acid in which the ionisable hydrogen atom is bonded through an oxygen atom to the central
q explain about neutral and amphoteric oxidesneutral oxides have neither acidic nor basic properties and when dissolved in water they give neutral
q show the broader classificationa broader classification is based on the reaction of the oxide with water according to this oxides are classified as
q describe about oxidesas said before oxygen reacts practically with all the elements in the periodic table except lighter noble gases to form binary
q explain about dihalidedihalides dichlorides and dibromides are formed by the lower members of the group viz se te and po these are formed mainly by
q explain about monohalidesmonohalides of the type m2x2 where x f c1 and br are formed only by 0 s and se oxygen monofluoride decomposes above 25 k
q chemical properties of group16oxygen is slightly less reactive than the halogens but reacts directly with nearly all the elements except the noble
q show bond lengths and ppi - dpi bondingthe bonds between s and 0 are much shorter than expected for a single bond in its oxides and therefore may
q show general characteristics of group16the valence shell electronic configuration of group 16 elements is ns2 ns4 these elements tend to gain inert
q what are the uses of telluriumtellurium is used primarily as an additive to steel to increase its ductility it is also used as an additive to some
q uses of seleniumuses of selenium include photocopying process of xerography decobrisation of glasses and as a catalytic agent particularly in the
q show uses of sulphursulphur is used in the manufacture of sulphur dioxide sulphuric acid and gunpowder match fertilisers drugs bleaching agents
q what are the uses of oxygenoxygen is essential for life most life processes are based on oxidative metabolism while the terrestrial beings take up
q show occurrence extraction of group 16oxygen is the most abundant of all elements on earth dry air contains 20946 oxygen by volume in the free form
q objective of elements of group 16you should be able tobulldescribe the occurrence extraction and uses of the elements of group 16bulldescribe the
q study of elements of group 16we shall discuss group 16 elements viz oxygen sulphur selenium tellurium and polonium these elements are called
what is homogenizationemulsions may also be stabilized by a process known as homogenization in which the size of the dispersed fat globules is
normal 0 false false false en-us x-none x-none microsoftinternetexplorer4
name some emulsifiers which are present in naturethere are many emulsifiers which are present in nature such as phospholipids eg lectin which is
how emulsion can stabilizedemulsions can be stabilized by the use of emulsifiers finely divided particles adsorbed at the interface and water