Which one of the pairs C₆H₅COOMe and 2,6-(Me)₂C₆H₃COOMe, C₆H₅COOMe and C₆H₅CH₂COOMe, CH₃COCH₃, and CF₃COCH₃, p-NO₂C₆H₄COOMe and p-  MeOC₆H₄COOMe in that order, will react faster than the other with a nucleophile at the carbonyl carbon?

• C₆H₅COOMe,C₆H₅CH₂COOMe, CF₃COCH₃, p-NO₂C₆H₄COOMe

• 2,6-(Me)₂C₆H₃COOMe, C₆H₅CH₂COOMe, CH₃COCH_3, p-NO₂C₆H₄COOMe

• 2,6-(Me)₂C₆H₃COOMe, C₆H₅CH₂COOMe, CH₃COCH₃ , p-  MeOC₆H₄COOMe

• C₆H₅COOMe,C₆H₅CH₂COOMe, CF₃COCH₃, p-  MeOC₆H₄COOMe

Which of the following chemicals does/do not generate shiny deposits on add mixture with ammoniacal silver nitrate?

• Acetaldoxime

• Cyclohexanone

• Butyraldehyde

•  both (a) or (b)

Wacker process is an industrial process for the oxidation of terminal alkenes. Which of the following represents a true statement about the product?

• The product is an aldehyde with same number of carbon atoms as in the alkene

• The product is a ketone with same number of carbon atoms as in the alkene

• The product is an oxirane with same number of carbon atoms as in the alkene

• Both (a) and (b)

Which of the following is/are formed on reaction of benzaldehyde with aqueous NaOH followed by acidification with dilute hydrochloric acid?

• Benzoic acid

• Benzyl alcohol

• Benzoic acid and benzyl alcohol

• p-hydroxybenzaldehyde

Which of the following is the correct IUPAC name of CH₃CHBrCCCHO?

• 4-bromo-2-pentynal

• 2-bromo-3-pentynal

• 1-bromo-1-methyl-2-butynal

• 4-bromo-4-methyl-butynal

Which one is the correct IUPAC name of the following compound?

• 1-chloro-5-hydroxycydohexane

• 2-chloro-4-hydroxycyclohexane

• 3-chloro-3-cyclohexenol

• 5-hydroxycydohexenyl chloride

Which of the following represents the correct decreasing order of acidity of the following compounds?

• ii > i > iii > iv

• iv > iii > ii > i

• iii > iv > i > ii

• iv > iii > i > ii

48.

The configurations at C₁ and C₂ in the following compound are, respectively

         

• R and R

• R and S

• S and R

• S and S

The following species generates a highly stable radical on exposure to 100 W bulb light. Which one of the following represents this stable radical?

• Me₂$\stackrel{°}{\mathrm{C}}$(CN)

• $\stackrel{°}{\mathrm{C}}$H₃

• $\stackrel{°}{\mathrm{C}}\mathrm{N}$

• Me₂C(CN)N=$\stackrel{°}{\mathrm{C}}$

Which of the following compounds will give red colour on Lassaigne test?

• NaCNS

• NH₂CSNH₂ (thiourea)

• p-NH₂C₆H₄SO₃H (p- aminobenzene sulphonic acid)

• all of the above