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Comment on the validity of the following statements, giving reasons:
(a) Thermodynamically an exothermic reaction is sometimes not spontaneous.
(b) The entropy of steam is more than that of water at its boiling point.
(c) The equilibrium constant for a reaction is one or more if for it is less than zero.
I think you are talking about aniline(Nitrogen containing compounds) . If so then no, they do not undergo friedel craft as nitrogen donates its lone pair to form a complex and do
explanation for quinonoid theory
Biomolecules All living bodies are made up of various lifeless substances that are availabe in their cells in a extremely complex but highly organized form. These are known as
#role of boiler feed water
Energy of the electron in Hydrogen atom is given by: (1) E n = 131.38/ n 2 x kj mol -1 (2) E n = 131.33/n xkj mol -1 (3) E n = 1313.3/ n 2 x kj mol
Coordination no. is the no. assigned to an atom which tells us that how many other atoms are directly attached to it. eg. Pcl5 the cordination no. will be 5
Taking a specific example show that AS total is a criterion for spontaneity of a change. Write the cell reactions which occur in lead storage battery (i) when the battery is
#uestion.. what is difference between acetaldehyde and ketone
N2O5
Q. Show properties of the Borax? Salts of boric acids are known as borates. As said earlier, hydrated borates occur naturally, e.g., borax, Na 2 B 6 0 11 . 5H 2 0, kernite, Na
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