Recently Active Chemistry Questions

convert benzene to acetylene.... ...

Which is better nucleophile : Methyl Lithium or Methyl Magnesium bromide ...

*Image* arrange the following alcohols in the increasing order of tendency towards esterification ...

It gains heat, so its enthalpy increases. ...

Li+2 ion is hydrogenic and has a Lyman seriies at 740747cm-1,877924cm-1,925933cm-1 and beyond.Show tht the energy levels are of the form -R/n2 and find the value of R for this ion. Predict the wave no's of the two longest ...

for nucleophilic attack in ketone, with increasing + I effect on carbon of carbonyl group, the reactivity should increase or decrease ? ...

i want every1 of ya 2 list al reagents their tests for wat ...

How many isomeric alcohols are possible with the formula C3H5OH? ...

*Image* *Image* reference:http://www.science.uwaterloo.ca/~cchieh/cact/c120/bondel.html ...

DOWS >>>>>> DOWNS>>>>>>>> DEACONS>>>>>>>>> RASCHIGS>>>>>>>>>>>> ETWARDS>>>>>>>>>>>>& ...

The solublity product constant for Co(OH)3 is 1.6*10-44.What is the solublity of Co(OH)3 in a soluiton buffered at pH=8 ...

Q1 ...Does methylamine (CH3CH2) give alcohol on reaction with HNO2 ? if not , why ? Q2... Can we prepare secondary and tertiary alcohols by the action of nitrous acid on primary amines. if not , why ? ...

*Image* find the product of the reaction ...

Can DIBAH convert acid chloride into aldehyde or ketone? In ROSENMUND'S reaction whether CARBON-CARBON double and triple bonds are also reduced ...

how to convert propane1,3-dioic acid into cyclo popanoic acid. ...

an alkyl halide of molecular formula C_5H_11Cl on refluxing with EtOH gives 2 cmpds: A & B. A decolorises Br water. B does not . A on ozonolysis gives acetone & acetaldehyde. B on reaction with Na gives Hydrogen. It gives whi ...

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An ammonia ammonium chloride buffer has a pH value of 9 with[NH3]-0.25.By how much will the pH will change if 75 mL 0.1M KOH be added to 200 mL buffer solution.Kb=2*10-5 ...

The NCS ion is a good colorimetric reagent for Fe(II).HOw?? ...

The second one is a typical Grignard reagent , so it has a carbanion . which attacks on the electrophilic carbonyl gp on the substrate. furhter attack . the mechanism is given . I'm abit lazy . so ,I'didn't write ...

A salt of Cobalt(2+) when dissolved in excess of HCl ,forms a 4-coordinated complex whose magnetic moment is found to be 3.87Bm.Predict the shape of complex,giving explaination. ...

An aqueous solution of methyl amine has pH value 10.64.How many grams of methyl amine are present in 100mL of the solution.Kb=4.4*10-4 ...

Ionic product of D2O is 1.33*10-15.For what value of pD will the solution be acidic? ...

Determine pH of a 5% aqueous solution of NaOCl(by weight).Density of solution is 1 g/cc.Ka=3*10-8 ...

The solublity of unknown salt MXn is 2*10-8M and its solublity product is 4.32*10-30.Formula of the salt is????? ...

Calculate pH of a 0.016M aqueous solution of Ca(CH3COO)2 .Ka=2*10-5 ...

A 0.1 M aqueous solution of acetic acid is being titrated against a 0.025M NaOH solution at 25°C.Determine pH at the end point if Ka of CH3COOH is 2*10-5 ...

Phenol is a weak acid used as a disinfectant.The pH of a 0.01M solution of a sodium phenolate is 11,what is pKa?? ...

Draw curves for the following titrations....... 1)Strong acid-Strong base 2)Strong acid -Weak base 3)Weak acid -Strong base ...

The auto ionization constant of liquid ammonia at -30°C is 10-33.Determine pNH2 of a 0.001M NH4Cl solution in iquid ammonia at -30°C ...