Chemistry Crash Course NEET>Chapter 19 - The d- and f-Block Elements>Level 1>Q 68

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IMPORTANT

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The atomic number of cerium $(Ce)$ is $58$ . The correct electronic configuration of the ${Ce}^{3+}$ ion is _____.

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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 69

Which is NOT the correct statement about the chemistry of $3 d$ and $4 f$ series elements?

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Chemistry Crash Course NEET>Chapter 19 - The d- and f-Block Elements>Level 1>Q 70

In the transition elements, the incoming electron occupies

(n -1) d

orbital in preference to _____.

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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

{KMnO}_{4}

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

{Br}_{2}

produced when two moles of potassium permanganate are treated with excess potassium bromide in aqueous acid medium is: