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It is a phenomenon in which compounds have same moleculer formula but different structural formula due to which they posses different physical and chemical properties.
The lactone, a cyclic ester, can form an enolate ion, and this ion is alkylated by methyl iodide.
Which of the following substances has covalent bonding: (1) Germanium (2) Sodium chloride (3) Solid neon (4) Copper Ans: Germanium
Write the similarities of lithium with other alkali metals
Q. Describe about Dioxides? These are generally obtained by heating the element in air. The dioxides of Se and Te can also be prepared by treating the element with conc. HNO, f
What is the effect of more electronegative atom on the strength of ionic bond: (1) Decreases (2) Increase (3) Decreases slowly (4) Remains the same Ans: Increase
give exsample on how undesired wavelengths are blocked and desired one is trans mitted
sources of errors in tnermogravimetry
An ion has 18 electrons in the outermost shell, it is: (1) Cu + (2) Th 4+ (3) Cs + (4) K + Ans
GFAAS is often necessary to add modifiers in order to increase the sensitivity of the techniques.Giving example explain the principles used in the selection of such modifiers,be ca
Which of the following electronic configurations is not possible: (1) 1s 2 , 2s 2 (2) 1s 2 , 2s 2 , 2p 6 (3) 3d 10 4s 2 4p 2
Same molecular formula but different molecular structure(STRUCTURAL ISOMERS). many more types of isomers also exist like the positionals and many others.
Same molecular formula but different molecular structure(STRUCTURAL ISOMERS).
many more types of isomers also exist like the positionals and many others.
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