Recently Active Chemistry Questions

Do we need to learn the bond lengths of various compounds for JEE? ...

3.6 g of H20 and 9.2 g of ethanol are mixed together. The soln. obeys raoult’s law. Calculate the mole fraction of ethanol and water in vapour phase. P0water =400 mm Hg , P0ethanol=450 mm Hg ...

pLZ any organic tip here.......like how to increase, decrease Carbon atom , distinguishing between compounds , solving word problems, etc etc... ...

i read tht if secondary alcohols when vigriously oxidised in kMnO4 gives acit...but whn we use bwrd vigrious do we mean heating it?/? ...

for stereoselective reactions is it necessary to have a chiral object which imparts influence?????????????? ...

why greater s- character ,shorter the C-H bond ????????????? ...

Which solution is a stronger acid ?? HCl dissolved in water or HCl dissolved in benzene ?? Ans should be water no..because H+ can be more furnished there, ...

CHCl3 is polar but still insoluble in water. Why ? ...

why porous mass can easily be reduced to metallic state?????????? ...

WHY MORE THE SOLVATION OF IONS LESS IS THE CONDUCTION ?????????????????????????????????? ...

Whenever we do an anti- Markonikov addition (using peroxide), we always use HBr and not HCl or HI...... Why is that??? (I don't know...u tell me) NOTE: Another thing to "ponder" :P How do we spell the name of the scientist??? ...

Plz post some good conversion problems here. ...

what is meant by this "collectrors enhance non-wettability of the the mineral particles????????????????????????? ...

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May i know the atomic orbitals of the same atom will interfer each other. That is the s orbital of the atom chlorine interfers with its p orbital. ...

which is a gud book for inorganic for iitjee? ...

are paladium charcoal and selinium in conjuation wth olready existing double bonds ? dey r d organo metallis compounds...actually d thng is m rili confused in dis part of organic .. n wht is d reactivity order dey follow? ...

are paladium charcoal and selinium in conjuation wth olready existing double bonds ? dey r d organo metallis compounds...actually d thng is m rili confused in dis part of organic .. n wht is d reactivity dey follow? ...

Is experimental chemistry there in iitjee......if yes, from where can we prepare for it. Are the Practical books for CBSE like Comprehensive, etc enough ? ...

In the derivation of Schrodinger's wave equation Λ Hφ=Eφ "For a standing wave of wavelength λ whose amplitude at any point x maybe described by a func. f(x) ,it may be shown that d2f(x) = 4π2 f(x) " dx2 λ2 Doubts: > ...

lets discuss it here frends! ...

ARRANGE IN INC ORDER OF STABILITY WITH EXP PLS :CH2 , :CF2 . :CCl2 repeat same if they were triplet carbenes!!!!!!!!!!!!!!! ...

an unequal mixture of l and d isomers of synthetic camphour are present in a soln. which shows a specific activity of -13.9 .............. find the enantiameric excess!!!!! helllp ...

'A' is an inorganic iodide. A + KOH → gas + aq. soln the gas is C. C is heated to give an oxide of N2 + H2O. Find A,B,C. ...

calculate the mass of oxygen in grams present in 0.1 mole of Na2CO3.10H2O.explain how to solve these types of compounds ...

is racemic mixture a chiral object ...

what is the use of stabilisers????????? ...

some doubts: 1. why does basicity and nucleophilicity decrease across a period?? 2. why are para products preferred in low temperatures in phenolic reactions?? 3. explain mechanism of this reaction: R-Br + Ag20 → R-O-R ...

wht does SeO2 do..?????? ...