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Transition elements should be more react...

Transition elements should be more reactive than hydrogen on the basis of electrode potential. But most of them do not give hydrogen on reaction with dilute acids because

A

an oxide layer is formed on their surface.

B

metallic bonds are strong in them

C

their hydration energy is low.

D

their electronegativity is low.

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The correct Answer is:
A
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FIITJEE-TRANSITION ELEMENTS & COORDINATION COMPOUNDS-ASSIGNMENT PROBLEMS (OBJECTIVE)(Level- I)
  1. Colourless transition metal ion is

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  2. Mohr's salt is

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  3. If a compound absorbs violet colour from light, it will be

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  4. If orange-red colour is absorbed from white light, the observed colour...

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  5. Which transition elements exhibit +8 oxidation state

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  6. Colour in transition metal compounds is due to

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  7. In acidic solution, KMnO(4)is reduced to

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  8. The outermost shell electronic configuration 3d^(5), 4s^(2) represents

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  9. Maximum paramagnetism in 3d series is shown by

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  10. The stable oxidation states of Mo are

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  11. Which of the following character is not shown by the transition metals

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  12. Amongst the following the lowest degree of paramagnetism per mole of t...

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  13. Which of the following has maximum number of unpaired electrons

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  14. Compound that is both paramagnetic and coloured is

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  15. Which of the following compound is expected to be coloured

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  16. If the configuration of manganese is [Ar]3d^(6),4s^(2), then maximum o...

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  17. Which type of bond is formed by transition metal with a metal ligand, ...

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  18. Which of the following ion is likely to form white complexes

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  19. Transition elements should be more reactive than hydrogen on the basis...

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  20. Transition elements get hydrolysed because they have

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