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Designate on an energy level diagram thee conduction and valence bands, acceptor & donor states and position of Fermi level for
(i) An intrinsic semiconductor.
(ii) A n-type semiconductor.
(iii) a p-type semiconductor.
Which set of quantum numbers are not possible from the following: (1) n=3, l= 2, m=0, s= -1/2 (2) n=3, l= 2, m=-2 s= -1/2 (3) n=3, l= 3, m=-3,
Formaldehyde: Formaldehyde is the initial member of the aldehyde sequence. It is lie in green leaves of plants where its presence is supposed to be due to the reaction of with w
How can you identify the phenolic-OH gr. of an organic compound which also contain an electron withdrawing group?
Principle of conductometry?
Classification of polymers - On the basis of structure On the basis of structure of polymers these can be classified as (i) Linear polymers (ii) Branched chain polym
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How can you find the formula for a specific ion?
what are chemical formulae and equation
Correct statement is: (1) K=4s 1 , Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (2) K=4s 2, Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (3) K=4s 2 Cr= 3d 5 4s 1 , Cu= 3d 10
#between p-amino aniline &p-methyl aniline which is more basic?
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