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Chemistry Test ...

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  • Question 1
    4 / -1

    (i)  Tensile strength of vulcanised rubber is almost ten times more than raw rubber.

    (ii)  Elasticity of raw rubber is very high.

    Choose the correct option.

  • Question 2
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    The correct order of reducing ability for the four successive elements Cr, Mn, Fe and Co is: Their Eored values are given below.

  • Question 3
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    An unknown alkyl halide (A) reacts with alcoholic KOH to produce a hydrocarbon (C4H8) as the major product. Ozonolysis of the hydrocarbon affords one mole of propanaldehyde and one mole of formaldehyde. Suggest which organic compound among the following has the correct structure of the above alkyl halide (A)?

  • Question 4
    4 / -1

    Which one of the following reactions of Xenon compounds is not feasible?

  • Question 5
    4 / -1

    One mole of a non-ideal gas undergoes a change of state(2.0 atm, 3.0 L, 95 K) ⟶ (4.0 atm, 5.0 L, 245 K) with a change in internal energy, ΔE = 30.0 L-atm. The change in enthalpy (ΔH) of the process in L-atm

  • Question 6
    4 / -1

    How many moles of KMnO4 are needed to oxidise a mixture of 1 mole each of FeSO4, FeC2O4 and Fe2(C2O4)3 completely in acidic medium :

  • Question 7
    4 / -1

    The catalyst used in the manufacture of polyethylene by Ziegler method is

  • Question 8
    4 / -1

    The reagent with which both acetaldehyde and acetone react easily is

  • Question 9
    4 / -1

    Which of the following facts about the complex [Cr(NH3)6]Cl3 is wrong?

  • Question 10
    4 / -1

    Consider the reaction 2NO(g)+O2(g) ⟶ 2NO2(g) Predict whether the reaction is spontaneous at 298 K. ΔfG(NO) = 86.69kJ/mol,ΔfG(NO2) = 51.84kJ/mol

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