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The maximum positive oxidation state shown by halogen is ______.
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How many asymmetric carbon atoms are present in a molecule if it has 16 optical isomers?
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What is the formula of pyrolusite ore?
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What is the oxidation state of sulphur in oil of vitriol?
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What is the highest oxidation state possessed by chlorine in its oxyacids?
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Which of the following is a product of first step and is used as reactant in next step for manufacture of K2Cr2O7 from concentrated chromite ore?
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Which among the following hydroxides is most ionic in nature?
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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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