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Chemistry Test ...

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  • Question 1
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    One mole of N2O4(g) at 300K is kept in a closed vessel at 1atm pressure. It is heated to 600 K when 20% by mass of N2O4(g) decomposes to NO2(g). The resultant pressure is

  • Question 2
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    HBr and HI can reduce sulphuric acid. HCl can reduce KMnO4 and HF can reduce

  • Question 3
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    One mole of a symmetrical alkene on ozonolysis gives two moles of a ketone having a molecular mass of 44 u. The alkene is

  • Question 4
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    Osmotic pressure is 0.0821 atm at a temperature of 300 K. Find concentration in mole/liter.

  • Question 5
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    An organic compound containing 60.84% C, 4.35% H and the rest O gives effervescence with NaHCO3. It also gives deep violet colouration with FeCl3 solution. The compound can be obtained from phenol by the action of CCl4/KOH.

    The formula of the compound is

  • Question 6
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    The product of the following reaction is

  • Question 7
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    When 32.25 g of ethyl chloride (atomic mass of chlorine is 35.5 g) is subjected to dehydrohalogenation reaction, the yield of the alkene formed is 50%. The mass of the ethene formed is:

  • Question 8
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    When two ice cubes are pressed over each other, they unite to form one cube. Which of the following forces is responsible to hold them together?

  • Question 9
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    The formation of cyanohydrin from a ketone is an example of

  • Question 10
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    Which of the following statements is incorrect?

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