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The analgesic drug ibuprofen (A) is chir...

The analgesic drug ibuprofen `(A)` is chiral and exists in (+) and (-) froms. One enantiomer is physiologically active, while the other is inactive. The other is inactive. The structure of ibuprofen is given below.

The principal functional group in `(A)` is:

A

Phenyl

B

`-COOH` group

C

Isopropyl

D

Both (a) and (b)

Text Solution

Verified by Experts

The correct Answer is:
B
(33 `sigma`- bonds and `4 pi`- bonds)
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The analgesic drug ibuprofen (A) is chiral and exists in (+) and (-) froms. One enantiomer is physiologically active, while the other is inactive. The other is inactive. The structure of ibuprofen is given below. The IUPAC name of (A) is:

The analgesic drug ibuprofen (A) is chiral and exists in (+) and (-) froms. One enantiomer is physiologically active, while the other is inactive. The other is inactive. The structure of ibuprofen is given below. The number of sigma -bonds in (A) is:

Knowledge Check

  • The S- enantiomer of ibuprofen is responsible for its pain-relieving properties. Which one of the following structures shown below is (S)-ibuprofen ?

    A
    B
    C
    D

  • Passage 1 The second section gives power to the President, "by and with the advice and consent of the Senate, to make treaties, provided two thirds of the Senators present concur…" Some are displleased with it, not on account of any errors or defects in it, but because they say the treaties will have the force of laws, and thus should be made only by the legislature. These gentlemen seem not to consider that the judgement of our courts, and the commissions constitutionally given by our governor, are as valid and as binding on all persons whom they concern as the laws passed by our legislature. All constitutional acts of power, whether in the executive or in the judicial department, have as much legal validity and obligation as if they proceeded from the legislature. it surely does not follow that because the people have given the power of makin laws to the legislature, they should therefore likewise give the legislature the power to do every other act of government by which the citizens are to the bound and affected. The President is to have power, "by and with the advice and consent of the Senate, to make treaties, provided two thirds of the senators present concur."... Though several writers o teh subject of government place the power of making treatis in the class of executive aunthorities, this is evidently an arbitrary classicication, for if we attend carefully to its operation, it will be found to partake more of the legislative than of the executive character, though it does not seem strictly to fall within the definition of either of them. The essence of teh legislative branch is to enact laws, or, in other words, to prescribe rules for the regulation of teh society, while the execution of the laws, and the employment of the common strength, either for this purpose of for the common defense, seem to comprise all the functions of the executive branch. The power of making treaties is, plainly, neither the one nor the other. It relates neither to the execution of the existing laws, nor to the creation of new ones, and still less to an exertion of the common strength. Its objects are CONTRACTS with foreign nations, which have the force of law, but derive it from the obligations of good faith. They are not rules prescribed by the government of the citizen, but agreements between two governments. The power in questin seems therefore to form a distinct department, and to belong, properly, neither to the legislative nor to the exective branch. The qualties elsewhere detailed as indispensable in the management of foreign negotiations point to the Exective as the best agent in those transactions, while the vast importance of the trust, and the operation of treaties as laws, plead strongly for the participation of the whole or a portion of the legislative body in the office of making them. What does Passage 1 suggest about Jay's opponents' opinion of the second section of Article Ii of the Consitution ?

    A
    Jay's opponents' criticisms of the second section would be legitimate if the second section contained errors and defects.
    B
    Jay's opponents think anything having the same force as a law is, in effect, a law.
    C
    Jay's opponents perceive the legislature as the only branch that should act in ways that legally bind citizens.
    D
    Jay's opponents agree with Jay that the legislature should be empowered to enact al duties of government.

  • Passage 1 The second section gives power to the President, "by and with the advice and consent of the Senate, to make treaties, provided two thirds of the Senators present concur…" Some are displleased with it, not on account of any errors or defects in it, but because they say the treaties will have the force of laws, and thus should be made only by the legislature. These gentlemen seem not to consider that the judgement of our courts, and the commissions constitutionally given by our governor, are as valid and as binding on all persons whom they concern as the laws passed by our legislature. All constitutional acts of power, whether in the executive or in the judicial department, have as much legal validity and obligation as if they proceeded from the legislature. it surely does not follow that because the people have given the power of makin laws to the legislature, they should therefore likewise give the legislature the power to do every other act of government by which the citizens are to the bound and affected. The President is to have power, "by and with the advice and consent of the Senate, to make treaties, provided two thirds of the senators present concur."... Though several writers o teh subject of government place the power of making treatis in the class of executive aunthorities, this is evidently an arbitrary classicication, for if we attend carefully to its operation, it will be found to partake more of the legislative than of the executive character, though it does not seem strictly to fall within the definition of either of them. The essence of teh legislative branch is to enact laws, or, in other words, to prescribe rules for the regulation of teh society, while the execution of the laws, and the employment of the common strength, either for this purpose of for the common defense, seem to comprise all the functions of the executive branch. The power of making treaties is, plainly, neither the one nor the other. It relates neither to the execution of the existing laws, nor to the creation of new ones, and still less to an exertion of the common strength. Its objects are CONTRACTS with foreign nations, which have the force of law, but derive it from the obligations of good faith. They are not rules prescribed by the government of the citizen, but agreements between two governments. The power in questin seems therefore to form a distinct department, and to belong, properly, neither to the legislative nor to the exective branch. The qualties elsewhere detailed as indispensable in the management of foreign negotiations point to the Exective as the best agent in those transactions, while the vast importance of the trust, and the operation of treaties as laws, plead strongly for the participation of the whole or a portion of the legislative body in the office of making them. Which choice provides the best evidence for the answer to the previous question ?

    A
    Lines 5-6 ("Some are…legislature")
    B
    Lines 9-14 ("These gentlemen…legislature")
    C
    Lines 14-18 ("All constitutional…legislature")
    D
    Lines 17-24 ("it surely…affected")

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    The analgesic drug ibuprofen (A) is chiral and exists in (+) and (-) froms. One enantiomer is physiologically active, while the other is inactive. The other is inactive. The structure of ibuprofen is given below. The number of pi - bonds in (A) is :

    Aspirin is widely used as an analgesic drug. It is optically inactive. The structure of asprim is: The principal functional group in (A) is :

    Compound which rotates the plane polarised light is known as optically active compound . On the basis of direction of rotation two forms of an optically active compounds are termed as dextro and laevo rotatory . The two are termed as enantiomers . If we have a 1 : 1 mixture of d and l isomers of a given chiral compound , optical rotation of such mixture is zero Such a mixture is optically inactive and is called a recemic modification. The net specific rotation of any mixture of the d and isomers of a given chiral compound is equal to the weighted average of the rotations due to both the isomers Mathematically if can be expressed as : [alpha]_(net) =f_(d) [alpha_(d)] + f_(1) [alpha_(l)] Where f_(a) and f_(l) are fractions of d and l isomers respectively and [alpha_(d)] , [alpha_(l)] are their specific rotations The pure d isomer of certain chiral compound has [alpha]_(d)^(25) =+ 55^(@) .A non racemic mixture of this compound has a net [alpha]_(d)^(25) =- 11^(@) . What is the fractions of this isomer in mixture ?

    A schematic analysis of the reaction of the enantiomer with racemic mixture is shows below: {:(d,+,"d and l",rarr,(d)-(d)),("The(+)-form of",,"A racemic mixture of",,+),("chiral molecules",,"other molecules with",,(d)-(l)),(,,50%(d) and 50%(l),,):} The products (d-d) and (d-l) are clearly neither identical nor enantiomers (non-superimposable mirror images) as the diastereomers, stereoisomers that are not mirror images' . The formation of diasteromers allows the separation of enantiomers (called resolution) which is not easy as enantiomers have identical physical properties. One general with naturally occurring chiral molecule to form a pair of diastereomers. These can be separated easily as they have different physical properties. If the original chemical reaction can be reversed, the enantiomers can be isolated. Which of the following is an example of diastereomers ?

    Passage 1 The second section gives power to the President, "by and with the advice and consent of the Senate, to make treaties, provided two thirds of the Senators present concur…" Some are displleased with it, not on account of any errors or defects in it, but because they say the treaties will have the force of laws, and thus should be made only by the legislature. These gentlemen seem not to consider that the judgement of our courts, and the commissions constitutionally given by our governor, are as valid and as binding on all persons whom they concern as the laws passed by our legislature. All constitutional acts of power, whether in the executive or in the judicial department, have as much legal validity and obligation as if they proceeded from the legislature. it surely does not follow that because the people have given the power of makin laws to the legislature, they should therefore likewise give the legislature the power to do every other act of government by which the citizens are to the bound and affected. The President is to have power, "by and with the advice and consent of the Senate, to make treaties, provided two thirds of the senators present concur."... Though several writers o teh subject of government place the power of making treatis in the class of executive aunthorities, this is evidently an arbitrary classicication, for if we attend carefully to its operation, it will be found to partake more of the legislative than of the executive character, though it does not seem strictly to fall within the definition of either of them. The essence of teh legislative branch is to enact laws, or, in other words, to prescribe rules for the regulation of teh society, while the execution of the laws, and the employment of the common strength, either for this purpose of for the common defense, seem to comprise all the functions of the executive branch. The power of making treaties is, plainly, neither the one nor the other. It relates neither to the execution of the existing laws, nor to the creation of new ones, and still less to an exertion of the common strength. Its objects are CONTRACTS with foreign nations, which have the force of law, but derive it from the obligations of good faith. They are not rules prescribed by the government of the citizen, but agreements between two governments. The power in questin seems therefore to form a distinct department, and to belong, properly, neither to the legislative nor to the exective branch. The qualties elsewhere detailed as indispensable in the management of foreign negotiations point to the Exective as the best agent in those transactions, while the vast importance of the trust, and the operation of treaties as laws, plead strongly for the participation of the whole or a portion of the legislative body in the office of making them. Based on Passage 2, it can be inferred that Hamilton would agree with which of the following statements ?

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