Recently Active Chemistry Questions

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An organic cmp A which is used in d manufacture of dioxan on oxidation wit powerful oxidisin agent gives cmp B .. A on oxidation wit dil.nitric acid to give C... IDENTIFY A,B,C..... ...

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*Image* what does this reagent do? Cro3/CH3COOH ...

*Image* is lucas test only for aliphatic alcohols.... ...

*Image* sum 1 pl explain...i knw dat im askin a waste qn...but i dunno y m stuck wid dis 1 [7] ...

Peopl. think polymer is concept less topic if u too think so hav a look at it Assertion:Nylon 6,6 is a copolymer Reason: a copolymer is one that is build using two monomer, in case of nylon 66 , 1,4 butane-dicarboxylic acid i ...

very very easy things....... 1.what is the name of the compound Ph-NH-NH-Ph? 2.convert: benzene----->CH3CH2CH2CH2-Ph 3.why are phenol and aniline obtained pink and brown in lab? ...

*Image* What is the IUPAC name ?? ...

tri methyl methane magnesium bromide on adding heavy water gives what ? ans gvn (CH3)3 -C-D but why isnt it ( CD3)3-C-D ?????? ...

Toluene is treated with Cl-CH-CH2-COCl l CH3 in the presence of anhydrous AlCl3 The product formed is Here friedel craft acylation will dominate or acetylation ...

1.) the molecularity of the reaction 2 H2(g) + O2(g) --> 2 H2O (l) is: a)2 b) 3 c)undefined d)1 2) the rate consant for a first order reaction is equal to the initial rate of reaction wheb the initial concentration of the ...

Though Zn is at higher position than Hydrogen in electrochemical series ....yet we get Zn at cathode in the electrolysis of ZnSO4 solution...why? ...

Q. Which of the following ring will show substitution as well as addn. ? a. cyclopropane b. cyclobutane c. cyclopentane d. cyclohexane This q. no one is able to ans. Because can figure out how addition will take place without ...

natural oxygen consists of 2 types of atoms one having a mass of 16 and the other having a mass of 18,these atoms are found in what proportion??? ...

how can we find the increasing acidic nature of oxides? wich is more acidic?na2o or sio2 ...

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*Image* ANS : % Fe3O4 = 34.8; % Fe2O3 = 49.33 ...

[2] [2] pls help yaar mujhe chemical equillibrium main dikkat aarahi hai pls help karo badi basic doubts aarahi hai ..... jaise yeh question hai 3g mole of pcl5 is heated in a flask of 4ltrs at equillib it dissociates to pcl3 ...

How many Bravais Lattices can exist in nature? ...

find the pH of 10-8 N HCl solution ...

:CCl2 is less nucleophilic than :CH2 Is the statement correct ...

Q. C7H8O has how many isomers ?? a.2 b.3 c.4 d.5 Sir do we have to keep making structure and count or is there an easier was out ? :) ...

What reagents (think of all possible reagents that can be used) which can perform this conversion successfully ? *Image* I know three;lets see how many you can think of !! [6][6] ...

1. IN PCl5 ALL BONDS ARE EQUIVALENT AND HAVE SAME BOND LENGTH <TRUE/FALSE> EXPLAIN WITH DIAGRAM :) 2. HOW HYBRIDISATION EFFECTS BOND LENGTH , DOES IT MAKES ALL OF THEM EQUAL AND EQIVALENT .. PLEASE EXPLAIN . :) ...

,,pl gimme some ideas 2 remember..or learn dem..yaar...dey form the most of jee chem and im never getting dem rite [17] sum1 pl help...tz gettin late ...

IIT-JEE CHEMISTRY Q.1 Reactions of aluminium with 1. O2 2. N2 3. Cl2 4. Cr2O3 5. Mn3O4 6. HCl 7. H2SO4(Dil.) 8. H2SO4 (Conc.) 9. HNO3 10. NaOH 11. AlCl3 Q.2 Reactions of Al(OH)3 with 1. Acid 2. NaOH 3. Heating Below 450ºC 4. ...

3PCl5 in solid state xists as [PCl4]+[PCl6]- how does ICl3 Exit in solid form as...???? ...

1)Is Hg-Sb bond a polar or a non-polar?.Explain your answer. 2)Which of the two molecules, OCS and CS2 has higher dipole moment and why? 3)The species that do not contain peroxide ions are: (a)PbO2 (b)H2O2 (c)MnO2 (d)BaO2 (Ex ...