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Chemistry Test ...

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  • Question 1
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    The equilibrium constant (Kc) for the reaction N2(g) + O2(g) at temperature T is 4 × 10-4. The value of Kc for the rection NO(g)→1/2 N2(g) + 1/2 O2 (g) at the same temperature is

  • Question 2
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    Which of the following on thermal decomposition yields a basic as well as acidic oxide?

  • Question 3
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    Iron exhibits +2 and +3 oxidation states. Which of the following statements about iron is incorrect?

  • Question 4
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    In which of the following pairs, the two species are not isostructural?

  • Question 5
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    Lithium forms body-centred cubic structure. The length of the side of its unit cell is 351 pm. Atomic radius of the lithium will be

  • Question 6
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    The standard reduction potentials for Zn2+/Zn, Ni2+/Ni and Fe2+/Fe are –0.76, –0.23 and –0.44 V respectively.  , 

    The reaction X + Y2+ → X2+ + Y will be spontaneous when

  • Question 7
    4 / -1

    Which one of the following statements si correct ?

  • Question 8
    4 / -1

    The molecule having smallest bond angle is

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