Unanswered Chemistry Questions

what is EMF? HOW IT LINKS WITH CELL POTENIAL AND ELECTRODE POTENTIAL? WE USE NERNEST EQUATION TO FIND WHAT ...

Good place for all chem lovers[1][1] http://www.shodor.org/unchem/basic/index.html hope u like it...[1] ...

This is important throughout organic chemistry, but will be especially important when trying to determine the products of elimination and substitution (E1, E2, SN1, SN2)reactions. There are generally three trends to remember ...

CH2=CH-CH=O REACTED WID 1 EQ R2BH THEN WID ACOH/H2O PRODUCT?????/ WILL C=C BE AFFECTED ...

why amide enolate gives a better ratio of alkylation to elimination compared to ketone enolate given that the competition b/w enolate alkylation and base induced E2 elimination with ethyliodide electrophile is finely balanced ...

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q1)the ka1=5.6x10-2 ka2=6.2x 10-5 ksp=3.5x10-11 for oxalic acid,the solubility of this acid in a aqueous solution of ph=5.0 is a)9.9x10-3 b)10-2 c)10-4 d)9.9x10-5 ...

2.0 g of phosphorus and 2.0 g of oxtgen are allowed to react leaving no residue of either of the reactants. Calculate the amount of P4O6 & P4O10 FORMED DURING THE COURSE OF REACTIONS. (Ans. 1.996 g P4O6 & 2.002 g P4O10) ...

a mixture of SO2 and O2 at 1atm in the mole ratio of 2:1 is passed thru a catalyst at 1170'C at a sufficient rate for the attainment of equilibrium the gas is suddenly chilled and analysed is found to contain 87% of SO3 by vo ...

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

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

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 ...

Ionisation energy-It is the energy required to remove an electron from an isolated gaseous atom. Here,what is the meaning of "isolated gaseous atom"?????? ...

Q 1 litre of a mixture of He and CO2 diffuses in 10 minutes under similar condition. If 1 litre of Helium diffuses in 5 minutes. Then the composition of Helium and CO2 in the mixture is 1) 70 : 30 2) 35 : 65 3) 50 : 50 4) 25 ...

why diethyl chlorophosphite is not stable with ethanol ,light and air? ...

why do silver ambidient nucelophiles give elimination product??? ...

is there someone in delhi, who has any of the following packages and is willing to sell them??? (especially chem and maths) 1.Brilliants + YG file 2.Resonance email me at :cjs1234@rediffmail.com ...

the molar volume of liquid benzene density = 0.877 g/ml increases by a factor of 2750 as it vapourises at 20°C and that of liquid toulene density = 0.867 g/ml increases by a factor of 7720 at 20°C . A solution of benzene an ...

please explain what is epimerisation??? explain with an example ...

What would be the major product obtained from the additon of HBr to CH3CH2CH=CHI IS: CH3 ANS:CH3CH2CCH3 Br how?plzzzzzzzzzzzzzzzzzz....explain ...

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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 ...

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 ? ...