In this reaction,

\(CH_{3}CHO \ + \ HCN \ \xrightarrow[]{} \ CH_{3}CH(OH)CN \ \xrightarrow[]{\textbf{H.OH}} \\ CH_{3}CH(OH)COOH\)

an asymmetric compound is generated. The acid obtained would be:        

1. 50% D + 50% L-isomer

2. 20% D + 80% L-isomer

3. D-isomer

4. L-isomer

The Grignard reagent is added to methanal and hydrolyzed to produce:

The major product formed when cyclohexanecarbaldehyde reacts with PhMgBr and H₃O⁺ is:

1.		2.
3.		4.	None of these

HCN not produce a chiral compound with:

1.		2.
3.		4.

An alkene “A” on reaction with O₃ and Zn - H₂O gives propanone and ethanal in an equimolar ratio. The addition of HCl to alkene “A” gives “B” as the major product. The structure of product “B” is:

1.		2.
3.		4.

Which of the following compounds produces a pink colour when combined with Schiff's reagent?

1. CH₃CHO 

2. CH₃CH₂COOH

3. C₃H₅COOH 

4. C₆H₅COC₆H₅

What is present in acetone's enolic form?

1. 9 $\mathrm{\sigma }$-bonds, 1$\mathrm{\pi }$-bond and 2 lone pairs

2. 8 $\mathrm{\sigma }$-bonds, 2$\mathrm{\pi }$-bonds and 2 lone pairs

3. 10 $\mathrm{\sigma }$-bonds, 1$\mathrm{\pi }$-bond and 1 lone pair

4. 9 $\mathrm{\sigma }$-bonds, 2$\mathrm{\pi }$-bonds and 1 lone pair

A compound A, when reacted with PCl₅ and then with ammonia, gave B. B, when treated with bromine and caustic potash, produced C. C on treatment with NaNO₂ and HCl at $0°$C and on boiling produced ortho-cresol. Compound A is:

Select the correct option based on statements below: