Please select a subject first
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Percentages of free space in cubic close-packed structure and in the body-centered packed structure are respectively ______.
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High basicity of Me2NH relative to Me3N in aqueous solution is attributed to ______.
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The most stable +2 oxidation state is exhibited by ______.
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Which metal crystallises in a simple cubic structure?
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While assigning R, S configuration, the correct order of priority of groups attached to chiral carbon atom is ______
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Which halide of magnesium has highest ionic character?
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What is the highest oxidation state exhibited by group 17 elements?
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Which among the following compounds does not act as reducing agent?
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(+) 2-methylbutan-1-ol (-) 2-methylbutan- 1-ol have different values for which property?
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In preparation of sulphuric acid from sulphur dioxide in lead chamber process. What substance is used as a catalyst?
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The reactant (X) in the reaction is:
\[\ce{(X) ->[CH3COONa][(CH3CO)2O] Cinnamic acid}\]
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Number of moles of KMnO4 required to oxidize one mole of Fe(C2O4) acidic medium is ______.
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Which of the following co-ordinate complexes if an exception to EAN rule?
(Given atomic number Pt = 78, Fe = 26, Zn = 30, Cu = 29)
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Among the trihalides of nitrogen which one is the most basic?
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When SO2 is passed through an acidified solution of potassium dichromate, then chromium sulphate is formed. The change in the valency of chromium is ______.
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Which among the following metals crystallise as a simple cube?
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What is the oxidation number of gold in the complex [AuCl4]1−?
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In which substance does nitrogen exhibit the lowest oxidation state?
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What are the products of auto-photolysis of water?
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Among the following order, which one is the correct order of reactivity of group 16 elements?
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