Recently Active Chemistry Questions

sir can u send me somthing about Strucural isomrs and its Calculation ...

THE DENSITY OF GRAPHITE IS 1.5 AND DENSITY OF DIAMOND IS 3.5 CHANGE IN GIBBS ENERGY IS 1895 JOULE/MOLE. WHAT IS THE PRESSURE WHEN GRAPHITE CHANGES TO DIAMOND ...

The basicity of acid produced in hydrolysis of B2H6 is -- A.4 B.3 C.2 D.1 ...

how many ml of 0.1M HCL are required to rct comp with 1gm mixture of Na2CO3 and NaHCO3 containing equimolar solutions of both?? PLZ explain ...

this is a really basic and easy question but i wud like some different and interesting answrs...... Y du aryl hallides dont undergo S[n]1 mechanisms?? ...

if in a compound , both methyl and hydride shift are possible from the same carbon atom........then which is more likely to take place???? ...

*Image* *Image* pls give proper mechanism supporting ur ans. ...

In a galvanic cell with Fe rod as cathode and Cr as anode and their sulphate salt solutions as electrolytes,if the salt bridge is replaced by a copper wire,then will E°cell drop to zero?why? SRP of Fe =-0.45V SRP of Cr = -0. ...

*Image* BH3 / THF H2O2 /NAOH ...

1 gram of commercial AgNO3 is dissolved in 50 ml water.It is treated with 50 ml of KI solution.The silver iodide thus precipitated is filtered off.The excess KI in the filtrate is titrated with M/10 KIO3 solution in presence ...

Consider a pH titration of 50 mL 0.1 M benzoic acid vs 0.1M NaOH at 25°C. The experimentally observed curve is shown below, on which points A, B, C…… F are marked. *Image* a) Which point corresponds to approximately 0.07 ...

consider the rxn      HNO2 CH3-CH-COO-Na+======>CH3-CH-COOH l l NH2 OH In this rxn D- alanine salt is converted into A)racemic mix b)L-lactic acid c)D-lactic acid d) more of D and less of L form ...

an unknown alkyl halide A reacts with alc.KOH to produce a hydrocarbon C4H8 ozonolysis of the hydrocarbon affords 1 mole of propionaldehyde and 1 mol of HCHO suggest the organic structure of the alkyl halide... ...

? ...

http://www.4shared.com/file/93231552/583b68ff/ionic_equilibrum.html check this out and post whether u found it intresting or not ... (it is a test run of file uploading) ...

CH3CH=CH2 + CCl4 in presence of peroxide...... and another 1 wid d same substrate in presence of hv ...

*Image* ...

ACETOXIME + aq.KOH -------> ??? ...

S-I for the particles having same K>E the de-broglie wavelength is directly proportional to the velocity S-II de broglie concept has significance only for microscopic particles ...

wat is d diff bw simple and alternating axis of symmetry.....????? ...

n-butane is produced by the monobromination of ethane followed by wurtz rxn, calculate the volume of ethane in litres at ntp to produce 55 gm of n butane if bromination takes place with 90%yield and the wurtz rxn with 85%yiel ...

What is the change in the internal energy when 2 moles of liquid water vaporises at 100°C? The heat of vaporisation, ΔH vap. of water at 100°C is 40.66KJmol-1. ...

Solid sodium bicarbonate was placed on a strip of pH paper. The colour of the strip - (a) turned blue (b) did not change (c) turned green and suddenly yellow (d) turned light pink ...

I want to ask a few questions related with bonding. 1) In the Lewis structure of SOCl2 the sulphur atom makes a doubl bond with oxygen and shares its two lone pairs with the two chlorine atoms.My question is why doesn't the s ...

*Image* ...

does delta G(not) change with temp...thou it is defined at 298K only .Q.. 2 A(g) + B(g) (equlibrium) 3S(s) + T(g) delta H(not) = -145 At 298K forward rxn is spontaneous, wt change if ny wud occur in deltaG(not) value as temp. ...

1. which emperical formula for oxide of potasium is least stable ? a>K2O b>KO c> KO2 d>KO3 2. The pressure at which half of an ideal binary liquid solution , containing 1 mole of each component goes into vapor pha ...

REASON AND MEHANISM OF HYDROGEN BRIDGE BOND IN THE DIMER , BORON TRI-HYDRIDE MOLECULE. ...

*Image* ........................................................................ ....................................................................... no the answer is not C ...

Assertion: The rate constant of a chemical reaction increases by a factor of 2 approximately on increasing the temperature by 10K. Reason: The number of collisions increase between the molecules due to increase in temperature ...