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(i) How would you account for the following:
(a) The transition elements exhibit high enthalpies of atomization.
(b) The 4d and 5d series of the transition metals have more frequent met- al metal bonding in their compounds than do the 3d metals.
(c) There is a greater range of oxidation states among the Actinoids than that in the lanthanoids.
(ii). Write the complete chemical equation for each of the following:
(a) An alkaline solution of KMnO4 reacts with an iodide.
In this synthesis of indole the addition of keto thioether to choloroamine to give sulphonium ion. this reaction is carried out at low temperature . why?
Problem: Let us calculate Q value of the reaction 27 Al (d, α) 25 Mg Answer: Given that masses of 27 Al = 26.981541 2 H = 2.014102 4 He = 4.
#question.#title..tell me what i do summer vacation class 9th and 10th.
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PRINCIPLES,GENERAL PROCEDURE,PURO POSES FOR ELECTROPHORESIS
Illustrate process of extrusion. In this process a round heated billet of metal which is placed in a container is forced out through a die in a press. This process is normally
how many isomers does butane have
Copper=54.1%, oxygen=20.1% and the balance sulfur. Could this also be the molecular formula? What other data is needed?
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