Beta Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>EXERCISE-II (Previous Year Questions)>Q 8

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Highly unstable species is

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Important Questions on The d- and f-Block Elements

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Beta Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>EXERCISE-II (Previous Year Questions)>Q 9

Which of the following is diamagnetic

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Beta Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>EXERCISE-II (Previous Year Questions)>Q 10

Which one of the following statements is CORRECT when ${SO}_{2}$ is passed through acidified $K_{2} {Cr}_{2} O_{7}$ solution?

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Beta Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>EXERCISE-II (Previous Year Questions)>Q 11

Which one of the following statements related to lanthanons is incorrect?

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Beta Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>EXERCISE-II (Previous Year Questions)>Q 12

Which of the following is ferromagnetic :-

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Beta Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>EXERCISE-II (Previous Year Questions)>Q 13

Aquaregia convert :-

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Beta Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>EXERCISE-II (Previous Year Questions)>Q 14

Which of the following can convert

{Cl}^{-}

into

{Cl}_{2}

:-

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Beta Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>EXERCISE-II (Previous Year Questions)>Q 15

Which of the following Lanthanoid show yellow colour :-

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Beta Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>EXERCISE-II (Previous Year Questions)>Q 16

{HgCl}_{2}

and

I_{2}

both when dissolved in water containing

I^{-}

ions the pair of species formed is