Anhydrous ferric chloride is not prepared by:

Important Questions on The d- and f-Block Elements

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IMPORTANT

Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-2>Q 17

${\mathrm{CuFeS}}_2+{\mathrm{O}}_2$ (excess) $\stackrel{\mathrm{\Delta }}{⟶}\mathrm{X}\left(\mathrm{s}\right)+\mathrm{Y}\left(\mathrm{s}\right)$ (Unbalanced Equation) :
Which is incorrect choice for $\left(\mathrm{X}\right)$ and $\left(\mathrm{Y}\right)$ ?

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-2>Q 18

Which of the following statements is correct?

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-2>Q 19

The basic character of the transition metal monoxides not follows the order :
(Atomic no. $\mathrm{Ti}=22, \mathrm{V}=23,\mathrm{Cr}=24,\mathrm{Fe}=26$)

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-2>Q 20

${\mathrm{Fe}}^{+3}$ is more stable than ${\mathrm{Fe}}^{+2}$, the reason is/are :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-2>Q 21

Addition of non-metals like $\mathrm{B}$ and $\mathrm{C}$ to the interstitial sites of a transition metal results the metal :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-2>Q 22

The highest oxidation state shown by transition element is :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-2>Q 23

Amongst ${\mathrm{CuF}}_2,{\mathrm{CuCl}}_2$ and ${\mathrm{CuBr}}_2$ :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-2>Q 24

${\mathrm{CuSO}}_4(\mathrm{aq}.)+4{\mathrm{NH}}_3⟶\mathrm{X},$ then $\mathrm{X}$ is :