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The electron density between 1s and 2s orbital is : (1) High (2) Low (3) Zero (4)None of these Ans:Zero
EXPLAIN ALLOTROPHY?
Quantitative analysis - Estimation of Elements After qualitative analysis of elements, the another step in the determination of molecular formula of an organic compound is
Which of the following set of quantum number is not possible: n l m1 m2 (a) 3 2 1
The energy of an electron in orbit of hydrogen atom is : (1) 13.6/n 4 x eV (2) 13.6/n 3 xeV (3) 13.6/n 2 xeV (4)13.6/nx eV Ans:
#uestion.. what is difference between acetaldehyde and ketone
What are the advantages of graphite furnace AAS? tell the history of graphite furnace AAS
We are asked to design a qualitative analysis scheme that can be used to determine which cations are present in a solution containing only four of the following cations: Pb2+, Ag+,
Which of the following has the least energy: (1) 2p (2) 3p (3) 2s (4) 4d Ans: 2s
Addition reactions - Organic Chemistry Addition reactions are given by those compounds that have at least one p bond, i.e.,
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