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In the transition elements, the incoming electron occupies (n-1)d orbital in preference to _____.

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Important Questions on The d- and f-Block Elements

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Chemistry Crash Course NEET>Chapter 19 - The d- and f-Block Elements>Level 1>Q 71
The titanium (atomic number 22) compound that does NOT exist is _____.
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Chemistry Crash Course NEET>Chapter 19 - The d- and f-Block Elements>Level 1>Q 72
Potassium permanganate works as oxidising agent both in acidic and basic medium. In both state, product obtained by KMnO4 is respectively ______.
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Chemistry Crash Course NEET>Chapter 19 - The d- and f-Block Elements>Level 1>Q 73
Which of the following group of d-block does not contain transition element?
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Chemistry Crash Course NEET>Chapter 19 - The d- and f-Block Elements>Level 1>Q 74
The gas responsible for underwater corrosion of iron and the product of corrosion, respectively, are -
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Chemistry Crash Course NEET>Chapter 19 - The d- and f-Block Elements>Level 1>Q 75
Oxalic acid when treated with potassium permanganate in the presence of an acid, produces:
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Chemistry Crash Course NEET>Chapter 19 - The d- and f-Block Elements>Level 1>Q 76
The number of moles of Br2 produced when two moles of potassium permanganate are treated with excess potassium bromide in aqueous acid medium is:
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Chemistry Crash Course NEET>Chapter 19 - The d- and f-Block Elements>Level 1>Q 77
MnO2 when fused with KOH and oxidized in air gives a dark green compound X. In acidic solution, X undergoes disproportion to give an intense purple compound Y and MnO2. The compounds X and Y. respectively, are
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Chemistry Crash Course NEET>Chapter 19 - The d- and f-Block Elements>Level 1>Q 78
In an alkaline medium, the reaction of hydrogen peroxide with potassium permanganate produces a compound in which the oxidation state of Mn is _______.