Recently Active Chemistry Questions

anniline doesnot undergoes friedel crafts alkylation and acylation . Can anybody give me the reason ...

consider 3 reactions hydrolysis of EtSCH2CH2Cl , EtNCH2CH2Cl , EtOCH2CH2Cl Arrange them in increasing order oh reactivity, where N , O , S act as neighbouring group...... ...

arrange the following with respect to their reactivity towards Sn1 (CH3)3C-I & (Ph)2-CHBr ...

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why amines salts are insoluble in the organic solvents ...

CH3CH(CH3)CH2CH2CH2Br + NaN3 in (CH3OH, H2O) → wat will be the product ? as the solvent is polar protic and N can form hydrogen bond with H, so will the reaction take place ? ...

An element X forms iodide XI3 and chloride XCl3.The iodide is quantitavely converted to the chloride when heated in stream of chlorine. 2XI3+3Cl2---->2XCl3+3I2.If 0.5 g of XI3 is treated ,0.2360g XCL3 obtai ...

what is molarity of sodium hydroxide solution which is 15.2% NaOH by wt.The specific gravity of solution is 1.12g/mL ...

In the given reaction at 300K C6H6 + 15/2O2---------->6CO2 + 3H2O enthalpy= -3271kJ What is change in the internal for the combustion of 1.5 mole of benzene at 300K? a)-3267. ...

Why pyridine is stronger base than Cl- ? give reason ...

*Image* find the order of x,y,z bond lengths ...

a glycine b sulphanilic acid c anthranilic acid d salicyclic acid itz multiple answer type!! i know one answer _____glycine . anymore??? i dono rest formula??>>>>>>> ...

2 methyl propane →→ Cl2→→1 chloro 2 methyl propane 63% + 2 chloro 2 methyl propane 37% find relative rwctivity of tert and pri C-H BOND???? A 3.8 B .58 C 1.7 D 5.3 ...

WAT WILL BE THE PRODUCT R-Br + AgNO2 → Q2... As I - is good leaving group than Cl , then will the following reaction will take place or not ? R-Cl + I - → ...

What mass of Cu2S and CuS will be produced by the reaction of 10g copper and 4g sulphur leaving no Cu or S. ...

arrange the following inorder of increasing basic strength EtO- , PhO- , NO3-, MeO- i know the answer . please explain giving solution ...

what is vapour density of a mixture ...

2C2H5Cl + 4Pb/Na---------> products the products are I)tetra methyl lead II)dimethyl lead III)toluene IV)ethyl benzene options are: a)I and II b)I and III c)I and IV d)II and IV ...

*Image* *Image* i will try to write the tests for carbonyl groups n amines as well.. any other user may also write .. :) ...

which of the following reactions show the traits of nucleophilicity and acidic character of carbonyl carbon: A)Reformatsky reaction B)Aldol condensation C)Cannizaro reaction D)Witting reaction ...

A mixture of AgCl and AgI is heated in a current of chlorine gas,thereby converting AgI into AgCl .This conversion causes a loss of 60% of original weight.Find % of chlorine in the mixture ...

An element X reacts with hydrogen leading to formation of a class of compounds that is analogous to hydrocarbons.5g of X forms 5.628g of a mixture of two compounds of X(XH4 and X2H6)in the molar ratio 2:1.Determine molar mass ...

What mass of Cu2S and CuS will be produced by reaction of 10g Cu and 4g S leaving no Cu or S........... ...

A catalyst a)increases the average kinetic energy of the reacting molecules b)decreases the activation energy c)alters the reaction mechanism d)increases the frequency of collision of reacting species ...

The rate constant of a first order reaction depends on a)concentration of reaction b)concentration of product c)time d)temperature ...

The pH of an aqueous solution of Ca(OH)2 is 12. If the Ksp of Ca(OH)2is 9*10-6, then the concentration of Ca2+ ions in the solution in mol L-1 is___? ...

why the temp of liquid will fall during evaporation of the liquid??? actually ,,, is it all true that the temp will fall ??? ...

What is levelling effect of water??? ...

Kindly explain the concept of dissociation of polyprotic acids. ...

What is levelling effect of water??? ...