Recently Active Chemistry Questions

IN E-Z NOMENCLATURE THERE IS ONE RULE OF DUPLICATION(TRIPLICATION) OF DOUBLE OR TRIPLE BOND......... WHEN THIS RULE COMES HANDY???????PLZ ILLUSTRATE WITH AN EXAMPLE![1] ...

conjugated system shows abmormal behaviour.what behaviour??????? ...

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in vinylic ethers...why does cleavage does not take place whn treated wid conc HI soln... on the other hand normal ethers show cleavage....??? and do vinylic ethers show cleavage only when treated wid dil acid???? ...

which is the most basic?? a.Triphenyl amine b.Diisopropyl amine c. *Image* ...

can HSO3+ be used for sulphonation? ...

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*Image* which is the most acidic hydrogen? is it the 3rd one? is the 1st & the 3rd hydrogen equally acidic ...

1.Which of the foll. is least soluble in dil.HCl? a.aniline b.NN-dimethyl aniline c.Triphenyl amine d.diethyl amine ...

1.the rate of esreification of amino acids is max. at a.pH=7 b.pH=8 c.pH=12.5 d.ph=2 ...

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*Image* is this statement wrong..........i don think so......!!!!!! if i m wrong plz correct me..........and give reason too! ...

why more the s character more the electronegativity????????? ...

Q1.Temperature of 1mole of gas at 25°C is increased by 1°C at constant pressure.Calculate the mechanical work,in joule. Q2.What is the value of internal energy for 1 mole of a monoatomic ideal gas. ...

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*Image* is this statement correct? ...

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which is more stable among following cis-trans isomers????why>>> *Image* ...

Arrange H-H,H-F and H-Cl in order of bond length. ...

is the pi bond affected by inductive effect?????? ...

what is electron spin resonance? ...