Recently Active Chemistry Questions

The anhydrous solids CuCl2 and CuBr2 are green and black coloured respectively while CuI2 is not stable even.Why? ...

Calculate the pH of the solution by mixing 50 ml of N-HCl and 30 ml of N-NaOH solution assuming both to be completely dissociated in normal solution. ...

can nyone tell me........... if there are two COOH groups in one molecule, then how to change one to CH2OH keeping another intact?? plz help ...

The first four ionization energies of an element are 191, 578, 872 and 5962 kcal. The no. of valence electrons in the element is : a) 1 b)2 c) 3 d) 4 . (plz give some short method to solve this question….. plz…..) ...

1) CH3COOC2H5 + C2H5ONa → (A) → iodoform reaction → (B) + (C) 2) correct order of increasing rate of hydrolysis of the foll compounds : (gv reasons) i) CH3COOEt ii) C2H5COOEt iii) iso-propyl-COOEt 3) when propanoic acid ...

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The ionisation constant of water is [H+][OH-]. Does this mean that whatever concentration os water we take, it will dissossiate into 10 -7 moles of H+ per litre and 10-7 moles of OH- per litre? ...

What is the shape and hybridization of NH2-? ...

How is -OH more activating than -OR in benzene ring although R increases electron density on Oxygen increasing its efficiency to increase electron density in ring? ...

how do u compare tht 2 leaving grps?? as in wch 1 is better? ...

does electrolytes form complex ions in aqueous solutions ...

What is the effect of adding inert gas to equilibrium? please explain. ...

75 g of a metal reacts completely with 1 mole of Oxygen to form metal oxide, find the weight of metal-oxide formed. ...

How many optical isomer are possible for an alkane with the molecular formula C7H16? ...

In a solid AB having the NaCl structure, 'A' atoms occupy the the corners of the cubic unit cell. If face-centered atoms along one axis is removed, then find the resultant stoichiometry of the solid. ...

how in a reaction - acid catalysed dehydration to alkenes- ethanol acts as a base ...

of the hydroxl organic compounds ROH and R'OH the first one is basic and the other is acidic in behavior How is R different from R'? ...

what is boundary method for transport number ...

what is oxo-process? For what purpose is it used ...