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Scandium resembles with aluminium in the...

Scandium resembles with aluminium in the following properties except :

A

the nature of bonding in both `Al^(3+)` and `Sc^(3+)` compounds in mainly ionic

B

both liberate hydrogen vigorously from water

C

both form basic hydroxides

D

both form volatile halides.

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The correct Answer is:
C
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MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level -I) Transition metal compounds and their Characteristics
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  5. Which of the following is an acidic oxide ?

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  6. The brown ring test for nitrites and nitrates is due to the formation ...

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  7. When K(2)Cr(2)O(7) is heated with conc. H(2)SO(4) in the presence of a...

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  8. Acidifed K(2)Cr(2)O(7) oxidises H(2)S to :

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  9. The mass of gold in an 18 carat gold ring of 4 g is :

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  10. Potassium permangante on heating gives :

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  11. Mn(3)O(4) is a mixed oxide of :

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  12. The reaction MnO(4)^(-) + e^(-) to MnO(4)^(2-) occur in

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  13. Fe^(2+) and Fe^(3+) can be distinguished by :

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  14. The equivalent weight of MnSO(4) is half of its molecular weight when ...

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  15. When potassium dichromate crystals are heated with concentrated sulphu...

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  16. Acidified potassium dichromate is treated with hydrogen sulphide, IN t...

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  17. The oxidation states of Mn in K(2)MnO(4), KMnO(4) and Mn(2)O(7) are re...

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  18. In Cr(2)O(7)^(2-) :

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  19. In a redox reaction, how many moles of electrons are accepted by 1 mol...

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  20. Cr(2)O(3) dissolves in aqueous NaOH in the presence of an oxidant to f...

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