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During a flame test why is calcium''s flame not persistent, while that of strontium is?
Ans) Because it does not have many ions as compared to the Strontium. It is the ions which produce color.
All electrons on the 4p sub-shell must be characterized by the quantum number(s): (1) n=4, m= 0, s= ± 1/2 (2) l=1 (3) l=0, s= ± 1/2
The position and velocity of a small particle like electron cannot be simultaneously determined." This statement is: (1) Heisenberg uncertainty principle (2) Principle of
1.sheilding & de-sheilding 2.magnetic anisotropy 3.hydrogen bonding
prepration,reactions ,uses and reactivity of dihydric alcohols
Electrochemicalseries table
The covalent compound HCl has the ionic character as: (1) The electronegativity of hydrogen is greater than that of chlorine (2) The electronegativity of hydrogen is equal
Why does methyl ethanoate not give iodoform test while ethyl ethanoate does? Ans) Iodoform test for esters is the test given by its products on hydrolysis methyl ethanoate give
have to submit an assainment
Metal absorption by reusable material ?
I think you are talking about aniline(Nitrogen containing compounds) . If so then no, they do not undergo friedel craft as nitrogen donates its lone pair to form a complex and do
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