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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Express 2072 in roman numbers.
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- Out of Fe^(2+) and Fe^(3+) which is more paramagnetic and why ?
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- Express 2073 in roman numbers.
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- Name any three elements of transition series which have abnormal elect...
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- Why Zn^(2+) salts are colourless and Ni2+ salts are coloured?
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- A compound has been found to have magnetic moment of 3.9 B.M. How many...
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- Name the catalyst of Vanadium used for oxidation of SO2 to SO3 in cont...
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- Give reason, Mn^(2+) ion is more paramagnetic than Fe^(2+) ion.
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- What is the oxidation state of Cr in K2Cr2O7?
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- Fill in the blanks : The orange colour of dichromate solution changes ...
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- Fill in the blanks : MnO2 on heating with potassium hydroxide in the p...
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- Fill in the blanks : Chromite is ...........
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- What happens when 28% of copper, 2% of iron and 70% of nickel combine ...
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- What happens when 60% of copper and 40% of nickel combine together?
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- The oxidation state of chromium in dichromate ion (Cr2O7^(2-)) and chr...
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- What is the oxidation state of Mn is manganate ion.
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- What is the oxidation state of Cr in CrO5.
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- Calculate equivalent weight of KMnO4 in acidic medium.
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- Calculate equivalent weight of KMnO4 in alkaline medium.
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- Complete the chemical reaction : MnO4^(-)+ SO2+ H^(+) rarr
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