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Which one is the strongest bond:
(1) Br- F
(2) F-E
(3) Cl-F
(4) Br- Cl
Ans: Br- F
Empirical formula Empirical formula of a substance provides the simplest whole number ratio among the atoms of the various elements exist in one molecule of the elements. For i
why they have low electronegativity?
1)Aniline is more basic because of the strong electron withdrawing effect of the carbonyl oxygen on the amide of acetanilide. 2)Aniline is more basic because of the strong electro
what is the difference between mirror image and optical isomerism?
The electronic configuration of four elements L,Q, P, and R are given in brackets: L ( 1s 2 , 2s 2 , 2p 4 ) Q (1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 5 ) P ( 1s 2 , 2s 2 2p
Electronic configuration of deuterium atom is: (1) 1s 1 (2) 2s 2 (3) 2s 1 (4) 1s 2 Ans: 1s 1
uses of the polymer bakelite
how can they used and what its side effects?
An ion has 18 electrons in the outermost shell, it is: (1) Cu + (2) Th 4+ (3) Cs + (4) K + Ans
I want to know how to determine the acid insoluble ash of a flour sample with principle,procedure as well as calculations.
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