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The colour and magnetic nature of man...

The colour and magnetic nature of mangante ion `(MnO_(4)^(2-))` is

A

green, paramagnetic

B

purple, diamagnetic

C

green, diamagnetic

D

purple, paramagnetic

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The correct Answer is:
A
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What is the shape and magnetic nature of permanganate ion?

Assetion : The green manganate is paramagnetic but the pruple permanganate is diamagnetic in nature. Reason : MnO_(4)^(2-) contains on upaired electron while in MnO_(4)^(-) all electrons are paried.

Assertion: KMnO_(4) is purple in colour due to charge transfer . Reason :There is no electron present in d-orbitals of maganese in MnO_(4)^(-))

The shape of MnO_(4)^(-) ion and the hybridisation of Mn in MnO_(4)^(-) is

The number of mole of oxalate ions oxidised by one mole of MnO_(4)^(-) ion is:

TARGET PUBLICATION-D AND F-BLOCK ELEMENT -COMPETITIVE THINKING
  1. The reaction of aqueous KMnO4 with H2 O2 in acidic conditions gives.

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  2. Name the gas that can readily decolourise acidified KMnO(4) solution:

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  3. The colour and magnetic nature of mangante ion (MnO(4)^(2-)) is

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  4. Solution of MnO(4)^(-) is purple-coloured due to :

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  5. Potassium permanganate is used.

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  6. Which of the following is Baeyer's reagent ?

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  7. Lanthanoids are

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  8. The atomic number of Gadolinium (Gd) is 64. The CORRECT electronic con...

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  9. Gadolinium belongsd to 4f series. It's atomic number is 64. which of t...

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  10. Which of the following oxidation states is the most common among the l...

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  11. Which is the oxidation state generally found in lanthanides?

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  12. Which one of the following lanthanide ions does NOT exhibit paramagnet...

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  13. Which of the following lanthanoids ions is diamagnetic?

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  14. What is the general molecular formula of the products obtained on heat...

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  15. Reason of lanthanoid contraction is

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  16. In lanthanoids , atomic radius decreases as atomic no. increases becau...

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  17. The most basic hydroxide from the following is

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  18. Because of lanthnoid contraction, which of the following pairs of elem...

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  19. Which of the following pairs has the same size ?

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  20. Identify a 'Chemical twin' among the foolowings.

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