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Select the Incorrect statement among the...

Select the Incorrect statement among the following.

A

ZnO is white at room temperature but turns yellow on heating

B

Density of crystal remains same in Frenkel defect

C

The appearance of colour in solid alkali metal halides is generally due to F-centres

D

`Fe_(0.93)O` compound has stoichiometric defect.

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AAKASH INSTITUTE ENGLISH-TEST 2-Exercise
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  2. The emf of the cell, Cu(s)Cu^2+ (aq., 1M)||Ag^+ (aq, 0.1M)/Ag(s) is x ...

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  3. If the values of stepwise stability constants for a series of successi...

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  4. Which of the following does not form micelles in aqueous solution?

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  5. A reaction can never be spontaneous if

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  6. If solubility of AgCl(s) in water is 10^-5 M then the solubility of Ag...

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  7. The number of mole(s) of K2Cr2O7 required to oxidise two moles of ferr...

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  8. Two complexes A and B have dissociation constants 1.0 x 10^-12 and 4.7...

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  9. Select the pair of ions in which both species do not contain S - S lin...

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  10. Jahn-Teller effect is predominantly observed in low spin complexes hav...

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  11. Consider the complexes : A = [FeCl6]^-4, B [Fe(H2O)6]^(2+) and C = [Fe...

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  12. For a particular complex, the dissociation equilibrium constant is giv...

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  13. If β is the formation constant, then the instability constant =

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  14. The most acidic compound among the following is

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  15. Ethylene oxide when treated with phenyl magnesium bromide followed by ...

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  16. Haemoglobin is a complex compound of which metal ion?

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  17. What is the IUPAC name of the following compound?

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  18. Incorrect statement among the following is

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  19. Which is not an analgesic?

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  20. Choose the correct statement among the following

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