Chemistry : Organic Chemistry – Some Basic Principles and Techniques

Which of the following molecules is most suitable to disperse benzene in water?

Among the following the strongest nucleophile is

• C₂H₅SH

• CH₃COO^-

• CH₃NH₂

• NCCH₂^-

Among the following the most stable compound is

• cis-1,2-cyclohexanediol

• trans-1,2-cyclohexanediol

• cis-1,3-cyclohexanadiol

• trans-1,3-cyclohexanediol.

3-Phenylpropene on reaction with HBr gives (as a major product)

• C₆H₅CH₂(Br)CH₃

• C₆H₅CH(Br)CH₂CH₃

• C₆H₅CH₂CH₂CH₂Br

• C₆H₅CH(Br)CH=CH₂

Assertion: Diastereomers have different physical properties.

Reason : They are non-superimposable mirror images.

• If both assertion and reason are true and reason is the correct explanation of the assertion.

• If both assertion and reason are true but reason is not the correct explanation of the assertion.

• If assertion is true, but reason is false.

• Both assertion and reason are false statements.

Assertion : Rates of nitration of benzene and hexadeuterobenzene are different.

Reason : C- H bond is stronger than C- D bond.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

The following four solutions are kept in separate beakers and copper metal is put in each of them. Which solution will become blue after some time ?

• AgNO₃ solution

• Zn(NO₃)₂ solution

• Ba(NO₃)₂ solution

• NaNO₃ solution

Which of the following is a chiral compound ?

• Hexane

• n-butane

• Methane

• 2,3,4-Trimethyl hexane

IUPAC name of the following compound is

• 3-methyl cyclohexane

• 1-methyl cyclohex-2-ene

• 6-methyl cyclohexene

• 1-methyl cyclohex-5-ene

The ortho/para directing group among the following is

• COOH

• CN

• COCH₃

• NHCOCH₃