Recently Active Chemistry Questions

wat is epichlorohydrin & wat does dis epi denotes? ...

*Image* Find A,B,C,D,E give all types of products i.e major and minor as well ...

1) haemoglobin is 1)an organometallic compound 2)chelate 3)conjugate gloubular protien 4)all above these 2)proteins contains 1)exclusively D isomers of amino acid 2)mostly L isomers of amino acid 3)50% of each D- and L- amino ...

which of the following reactions ll generate an isotope a)neutron particle emission b)positron emission c)α particle emission d)β particle emission ...

among the following substituted silanes the one which will give rise to cross linked silicon polymer on hydrolysis a)R4Si b)RSiCl3 c)R2Sicl2 d)R3sicl ...

amount of oxalic acid present in a solution can be determined by its titration with kmno4 soln in d presence of h2so4.the titration give insatisfactory result when carried out in presence of hcl becoz hcl a)gets oxidised by o ...

PLZ DISCUSS QUESTION 1,2,7,8,9,13 OF TEST 352 PLZZ ...

among the following substituted silanes the one which will give rise to cross linked silicon polymer on hydrolysis a)R4Si b)RSiCl3 c)R2Sicl2 d)R3sicl ...

TEST 352 IN THE TEST SECTION APPEARING ON SCREEN ...

The reaction 2N2O5 <--> 4NO2 + O2 follows Ioder kinetics. Hence the molecularity of reaction is unimoleqular. pseudo unimoleqular bimoleqular. none of these. Given that Zn + ½ O2 --> ZnO + 35.28 kj HgO --> Hg +  ...

Which hydrides are non stoichiometric Select Answer: Covalent hydrides Metallic hydride Saline hydride Alkali metal hydride why plz xplain ...

35) At 80° C , the vapour pressure of pure liquid 'A' is 520 mm Hg and that of pure liquid 'B' is 1000 mm Hg. If a mixture solution of 'A' and 'B' boils at 80° C and 1 atm pressure, the amount of 'A' in the mixture is (1 at ...

at 27 degree 41ml of ozone dissolves in 100ml of water at pressure of 1atm wats d mass of ozone dissolved in 200ml of water at pressure of 3atm and d same temp ...

the vapour pressure of water decreases by 10% when a solte is dissolved in it .the approximate molarity of the solution is 5.5 10 2 2.5 ...

wat is mother liquor??? i saw in preparation of Mohr Salt but dint understand what it is?? ...

Why is the organic compound converted to inorganic before detecting the presence for any element like N 2 or sulphur in it??? Is it absolute necessity.?? ...

what is the electronic configuration of Pd (46) a. 2, 8, 18, 18 b. 2,8,18,17,1 c. 2,8,18,16,2 ...

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which has greater tendency to form complex? a)lanthanoids b)actinoids PLease no weird answers,provide a suitale logic ...

arrange the following in order of their nucleophilicity ch3-1,OH-1,NH2-1,F-1,I-1 ...

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pllz help it's urgent im losing cofidence for jee coz of this silly questiopn pppllz hlp the pka's of H2CO3 r 6.4 &10.3.the pka of HOBr is 8.7 if equimolar amount of the above two r dissolved in water what will be the predomi ...

Do all teh four C-H bonds in methans have equal bond energy? Coz ans given is dat none of them hav the same energy! But i think all of them do hav the same enrgy... If not pls temme why.. ...

Pyrrole and Pyridine .... a> both non aromatic b> both aromatic c> Pyrrole non aromatic and Pyridine aromatic d> Pyrrole aromatic and Pyridine non aromatic ...

What is the difference between unimolecular and 1st order reaction??... ...

diff b/w schiffs base and schiffs reagent ...

LEIBIG's METHOD kya hai?? pl. xplain!!! ...

What is the role of conc. H2SO4 in the nitration of benzene ?? ...

WHat is Artificial transmulation in nuclear chem?? ...

how to determine the n factor of a compound please help ...