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Explain and Define standard feat of formation
Ans) The amount of heat liberated of absorbed when single mole of compound is formed in its standard state from its elements in their standard state is known as standard heat of formation ( Hf *)
Characteristics?
Q. Show Sulphide Minerals? In these minerals metals are present as their sulphides. For example, iron pyrites (FeS 2 ), calcocite (CU 2 S), chalcopyrite (CuFeS 2 ), zinc blende
Which of the following set of quantum number is not possible: n l m1 m2 (a) 3 2 1
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preparation of idoform
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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?
balance?
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