Chemistry : Organic Chemistry – Some Basic Principles and Techniques

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

The most reactive nucleophile among the following is

• CH₃O^-

• C₆H₅O^-

• (CH₃)₂CHO^-

• (CH₃)₃CO^-

The absolute configuration of the following compound is

• 2 S, 3 R

• 2 S, 3 S

• 2 R, 3 S

• 2 R, 3 R

The geometrical isomerism is shown by

Among the following, the achiral amino acid is

• 2-ethylalanine

• 2-methylglycine

• 2-hydroxymethyl serine

• tryptophan

Nitrobenzene gives N-phenylhydroxylamine by

• Sn/HCl

• H₂/Pd-C

• Zn/NaOH

• Zn/NH₄Cl

Assertion : Cis-1,3-dihydroxycyclohexane exists in boat conformation.

Reason : In the chair form, there will not be hydrogen bonding between the two hydroxyl groups.

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

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

• If assertion is true but reason is false.

• If both assertion and reason are false.