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Correct statement is:
(1) K=4s1, Cr= 3d4 4s2, Cu= 3d10 4s2
(2) K=4s2, Cr= 3d4 4s2, Cu= 3d10 4s2
(3) K=4s2 Cr= 3d5 4s1, Cu= 3d10 4s2
(4) K=4s1, Cr= 3d5 4s1, Cu= 3d10 4s1
Ans: K=4s1, Cr= 3d5 4s1, Cu= 3d10 4s1
what technique can be used to improve water quality ?
Q. What do you mean by Isomers? Ans. Compounds like butane and 2-methylpropane which have the same molecular formula but different molecular structures are called isomers
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Trans -Isomer of a substance is more stable than Cis-Isomer.
I am supposed to write a blanced chemical equation for Lead(II) nitrate (aq) and ammonium chloride (aq) creating a precipitate of lead(II) chloride. I wrote the unbalanced equation
50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(
K3[Al(c2o4)3]
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