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Chemistry Test ...

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  • Question 1
    1 / -0

    Which of the following can act as reducing agent

  • Question 2
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    Consider the following galvanic cell at \({ }_{25^{\circ} \mathrm{C}}\) Pt, \(H_{2_{(q)}} 1\) atm \(/ \mathrm{HCl}(100 \mathrm{ml}, 0.1 \mathrm{M}) \| \mathrm{H}_{2} \mathrm{SO}_{4}(0.05 \mathrm{M}) \mid \mathrm{Pt}, \mathrm{H}_{2(\mathrm{g})} 1 \mathrm{atm}\)

    On adding 50 ml of 0.1 M NaOH into the Anode compartment, the emf. Of cell

  • Question 3
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    In which of the following transformations, the bond order has increased and magnetic behavior has decreased?

  • Question 4
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    x% Oleum in water is treated with 0.5lof 2.75 M Ca(OH)2 solution. The resulting solution required 15.7 gm of H3PO3 (Assume strong acid) solution for complete neutralization. Calculate the amount of free SO3 in 100 gms of oleum

  • Question 5
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    If P,Q,R and S are elements of 3rd period of p–block in modern periodic table and among these one element is metal and rest are non-metal and their order of electronegativity is also given asP < Q < R < S .Then in which of the following release of is relatively easier.

  • Question 6
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    28 g of N2 and 6.0 g of H2 are heated over a catalyst in a Closed 1L flask at 4500C. The entire equilibrium mixture Required 500 ml of 1.0 M H2SO4 for neutralization. The Value of KC  (in standard unit) for the following reaction is:

  • Question 7
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    Bakelite is a

  • Question 8
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    If the speed of an electron in first Bohr orbit of hydrogen be 'x', then speed of the electron in the second orbit of He+ is:

  • Question 9
    1 / -0

    Fruity smell is given by:

  • Question 10
    1 / -0

    2-Phenylethanol may be prepared by the reaction of phenylmagnesium bromide with:

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