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why didnt all the noble metals get rust even they have high electrode potentials? Ans) for e.g if you look at gold it is highly reactive with greater negativity of gibbs free ener
Depression in freezing point - Physical methods for Non-volatile substances Mol. Mass = (1000 K f * w) /W* ΔT Where, K f stands for Molal depression constant of the solve
what are valence electrons? and how do you write them?
A Chloroplatinic of a diacid base contain 39% of platinum what is the molecular weight of the base
The electronic configuration of element with atomic number 24 is : (1) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 4 4s 2 (2) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 (3)
Why phenol can also be prepared from chlorobenzene(Dow''s process)
The total magnetic quantum numbers for d-orbital is given by: (1) 2 (2) 0, ± 1, ± 2 (3) 0, 1, 2 (4) 5 ans: 5
Distinguish between acetaldehyde and ketone
The statements: (1) In filling a group of orbitals of equal energy, it is energetically preferable to assign electrons to empty orbitals rather than pair them into a particular o
The number of unpaired electrons in 1s 2 2s 2 2p 4 is: (1) 4 (2) 2 (3) 0 (4) 1 Ans: 2
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