Recently Active Chemistry Questions

The total number of enolates that can be formed, when 2-Butanone is treated with a base is The answer is given 3 but I got only 2. Does the answer include the Cis trans isomer of one of the enolates? They form isomers and not ...

though not mentioned in syllabus..jee 2000,jee 2004 conatined problems based on these formulas n optics, the Beer–Lambert law, also known as Beer's law or the Lambert–Beer law or the Beer–Lambert–Bouguer law relates t ...

plz guide me on how to solve the questions of this spirit! 7N14+alpha particle→ ? plz guide me on how to solve the problems of this type[21] ...

A desiccator of internal volume of 1 litre and containing nitrogen at 1 atm pressure is partially evacuated to a final pressureof 7.6 mm of Hg,while the temperature remains constant.what is volume of gas at this stage? ...

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*Image* PLS BALANCE THE EQ. BY ION OR OXIDATION NUMBER METHOD ...

Can anyone plz help me out in finding the most stable enol form among a bunch of compounds..I dont have any e.g. in my mind right now but it wud be gr8 if you provided one..PLZ help... ...

the conditions for a good leaving group are given as 1. It should polarize the bond which connects it to the carbon so that the carbon has some positive charge, making it more reactive towards the nucleophile; i.e., it should ...

In phosgene gas reaction at 400°C,initial pressures are pCO=342mm pCl2=32mm.total pressure at equilibrium is 440 mm. Calculate percentage dissociation of phosgene at 400°c at 1 atm! ...

what is speific reaction rate? ...

In a flask following reaction is in equilibrium NH4Cl(s)=NH3(g)+HCl(g) delta H=176 KJ/mol How is mass of NH3 affected by each of these disturbances 1.Decrease in temp 2.NH3 is added My answer: 1.Decrease 2.Decrease Textbook a ...

Cu(II)Fe(II)S2 OR Cu(I)Fe(III)S2....which is correct?? ...

*Image* well guys my argument here is this PV/2n =constant(=0.5RT) at a given temperature. so,D0/Deq =1 Now where am i wrong??? ...

manish sir plz tell why this concept is not applicable here CONCEPT:for a compound AxBy: x moles of A=y moles of B PROBLEM:0.75 moles of A4 +2.0 moles of O2 completely react to form a single compound!find the empirical formul ...

plz read follwoing with reference to jee books : IUPAC RULES: In thermodynamics as per IUPAC:(i)Work done by system=negative and (ii)first law is ∂U=∂Q+∂W CLASSIC TEXTS[HC VERMA]: (i)Work done by system=positive and (ii ...

If atoms are small spherical balls,then how can some electron come out of this ball?Is there any hole through which electrons on excitation will come out? ...

A constant current of 1.5 amp is passed through an electrolytic cell containing 0.10N AgNO3 and a silver anode and a platinum cathode are used.after some time the concentration of AgNO3 solution may be: (a)equal to 0.10 M (b) ...

I Cannot Understand this 1.Inter facial Angle? 2.F+C=e+2 What does it mean ...

hydrogen is produced by electrolysis of water.produced hydrogen is used for producing ammonia and nitric acid.if average production of ammonium nitrate is 5000 kg/day,estimate daily consumption of electricity. answer:2.8*105 ...

What is the difference between Protic and Aprotic ?? ...

Identify the correct order of wavelength of light absorbed for the following complex ions- [Co(H2O6)]+3, [Co(CN)6]-3, [Co(en)3]+3, [Co(I)6]-3 ...

manish sir plz tell why this concept is not applicable here CONCEPT:for a compound AxBy: x moles of A=y moles of B PROBLEM:0.75 moles of A4 +2.0 moles of O2 completely react to form a single compound!find the empirical formul ...

REFERENCE:::ATOMIC STRUCTURE what is wave number 1/wavelength or 2∩/wavelength?? ...

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What is the Nomenclature of this Compound ?? *Image* ...

1st challenge: NaNH2+N2O→? ...

how much time is required fr complete decomposition of 4 moles of water using 4 amperes ? ...

are binary IMMISCIBLE systems in jee syllabus? ...

NaNH2+N2O→? ...

how r these two related to each other (i)fusion mixture and (ii)sodium and potassium carbonates ...