paper no 8. chemistry

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MDCAT Chemistry Paper 8

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1.Which product is formed by the reaction of carboxylic acid with alcohol?

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2.Which one will be act as a strong acid?

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3.Which of the following acts as a electrophile in the electrophilic substitution of benzene with bromine?

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4.The catalyst used for the manufacture of H2SO4 by contact process is:

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5.If concentration time graph of a reactant indicates a constant half-life, then the order reaction respect to that reactant is:

with

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6. Select one which is alcohol: 

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7.In Period 2 and Period 3 maximum melting point shown by elements:

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8.Which one of the following compounds act catalyst when alcohols react with carboxylic acids as:

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9.Butane molecule can have maximum number of isomers:

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10.Which of the following would react with ozone in the atmosphere?

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11.Which one of the following compounds is known as tertiary alcohol? 

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12. Nitrogen is present in air as a major constituent. It is an inactive gas in comparison with oxygen which is the non-major constituent of air. Nonreactive nature of nitrogen is due to the reason; 

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13. The standard electrode potential of hydrogen is a arbitrarily taken at 298 K is:

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14. Reaction mechanism of alkanes with halogens is known as:

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15. 3.0 mole of calcium will contain ___ g of calcium:

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16. Alcohol in which carbon atom bonded to OH group is further attached with three alkyl group is: 

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17. Which mechanism of reactions is shown by carbonyl compounds? 

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18. Role of a catalyst in a chemical reaction is to:

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19. Liquid in the container have temperature 70°C. What will be the temperature in Kelvin Scale?

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20.The essential property of a fertilizer is that it should be:

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21.Ligands having two lone pair of electrons for donation to the central transition metal ion are

known as:

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22.Which one of the following is the structure of Teflon?

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23.The potential difference of an electrochemical cell is measured by:

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24.Halothane is a halo derivative of:

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25.Halogens are being used as fire extinguisher, mild antiseptic, CFCs and many other organic chemicals. Which of the following halogen is used to kill the bacteria in drinking water:

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26. Which of following compound is solid and room temperature? 

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