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Aldehydes Keton...

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  • Question 1
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    Cyanogen $$(CN)_2$$ on hydrolysis yields:

  • Question 2
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    Which of the following cyanohydrins on hydrolysis give an optically active acid giving iodoform reaction?

  • Question 3
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    In the reaction $$\text{X}$$ is:

  • Question 4
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    A carbonyl compound '$$A$$' reacts with hydrogen cyanide to form a cyanohydrin '$$B$$' which on hydrolysis gives an optically active alpha-hydroxy acid '$$C$$'. '$$C$$' also gives a positive iodoform test.

    '$$A$$', '$$B$$' and '$$C$$' is given by the set:-

  • Question 5
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    Write the $$IUPAC$$ names of the following ketones and aldehydes. Wherever possible, give also common names.

  • Question 6
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    R and S are:

  • Question 7
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    Directions For Questions

    An organic compound $$(A)\;C_3H_6Cl_2$$ on reduction with red $$P\;and\;Hl$$ gives propane. $$(A)$$ on hydrolysis by an alkali followed by oxidation gives $$(B)\;C_3H_4O_4$$, which on heating gives $$(C)$$. Both $$(B)\;and\;(C)$$ give effervescence with $$NaHCO_3$$. $$(B)$$ on reacting with ethyl alcohol gives $$(D)\;C_7H_{12}O_4$$, a well known synthetic reagent.
    Answer the following questions:

    ...view full instructions

    Compound $$(C)\;\xrightarrow{P_4O_{10}}\;Product\;(F)$$


    The product $$F$$ may be:

  • Question 8
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    In the given reaction, $$A$$ also reacts with $$NaOI$$ followed by the reaction with $$H^+$$ to give $$3,\,4-$$dilhydroxybenzoic acid. Which of the following is correct?

  • Question 9
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    Directions For Questions

    An organic compound $$(A)\;C_3H_6Cl_2$$ on reduction with red $$P\;and\;Hl$$ gives propane. $$(A)$$ on hydrolysis by an alkali followed by oxidation gives $$(B)\;C_3H_4O_4$$, which on heating gives $$(C)$$. Both $$(B)\;and\;(C)$$ give effervescence with $$NaHCO_3$$. $$(B)$$ on reacting with ethyl alcohol gives $$(D)\;C_7H_{12}O_4$$, a well known synthetic reagent.
    Answer the following questions:

    ...view full instructions

    $$(D)+Benzaldehyde\;\xrightarrow[(ii)\;H_2O^+]{(i)\;Pyridine,\;\Delta}\;Major\;Product\,(E)$$
    The major product $$(E)$$ is

  • Question 10
    1 / -0

    Which of the following acids does not contain $$-COOH$$ group?

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