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Chemistry Test ...

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  • Question 1
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    Which of the following mixing of 1M base and 1M acid leads to the largest increase in temperature?

  • Question 2
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    The number of optically active products obtained from the complete ozonolysis of the given compound is :

  • Question 3
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    The number of possible optical isomers for the complexes [MA2 B2] with sp3 or dsp2 hybridized metal atom, respectively, is:

    Note: A and B are unidentate neutral and unidentate monoanionic ligands, respectively.

  • Question 4
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    Directions For Questions

    The reactions which cannot be applied to prepare an alkene by elimination, are

    ...view full instructions

    Choose the correct answer from the option given below :

  • Question 5
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    The angular momentum of an electron in a stationary state of Li2+ (Z = 3) is 3h/π . The radius and energy of that stationary state are respectively

  • Question 6
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    Directions For Questions

    The correct statements from the following are :

    (A) Tl3+ is a powerful oxidising agent

    (B) Al3+ does not get reduced easily

    (C) Both Al3+ and Tl3+ are very stable in solution

    (D) Tl+ is more stable than Tl3+

    (E) Al3+ and Tl+ are highly stable

    ...view full instructions

    Choose the correct answer from the options given below :

  • Question 7
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    Which one of the following statements is correct?

  • Question 8
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    Given below are the pairs of group 13 elements  showing their relation in terms of atomic radius. (B<Al), (Al<Ga), (Ga<In) and (In<Tl) 

    Identify the elements present in the incorrect pair and in that pair find out the element (X) that has higher ionic radius (M3+) that the other one. The atomic number of the element (X) is

  • Question 9
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    The hydration energies of K+ and Cl– are –x and –y kJ/mol respectively. If lattice energy of KCl is –z kJ/mol, then the heat of solution of KCl is :

  • Question 10
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    Which of the following sets of quantum numbers is not allowed?

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