1
JEE Main 2026 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The compound (X) on

(i) on heating in the presence of anhydrous AlCl3 and HCl gas gives 2,4-dimethyl pentane

(ii) aromatization gives toluene and

(iii) cyclisation gives methyl cyclohexane

The correct name of compound (X) is:

A

Hept-2-ene

B

Hept-1,3,5-triene

C

Heptane

D

Hept-2,4,6-triene

2
JEE Main 2026 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Correct statements regarding alkyl halides (R–X) among the following are :

A. Alcohol being less polar solvent as compared to water, alcoholic KOH favours elimination reaction with R–X.

B. Order of reactivity towards SN1 mechanism is C6H5–CH2–Cl > C6H5–CHCl–C6H5.

C. Non substituted aryl halides exhibit properties similar to alkyl halides.

D. Vinyl chloride is an example of haloalkene and allyl chloride is an example of haloalkyne.

E. R–Cl can be prepared by reacting R–OH with SOCl2 but Ar–Cl cannot be prepared by reacting Ar–OH with SOCl2.

Choose the correct answer from the options given below :

A

A, B and C Only

B

B and D Only

C

A and E Only

D

D and E Only

3
JEE Main 2026 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

An organic compound “x” where molar ratio of C, O and H are equal, on treatment with 50% KOH under reflux followed by acidification produced “y”. The most likely structure of “y” is:

[Molar mass of ‘x’ is 58 g mol−1]

A
JEE Main 2026 (Online) 2nd April Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 12 English Option 1
B
$$ \mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}=\mathrm{O} $$
C
JEE Main 2026 (Online) 2nd April Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 12 English Option 3
D
JEE Main 2026 (Online) 2nd April Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 12 English Option 4
4
JEE Main 2026 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A molecule (X) with following structure under mild acidic condition is hydrolysed to produce (Y) and (Z). Identify the correct statements about (Y) and (Z).

JEE Main 2026 (Online) 2nd April Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 11 English

A. Both (Y) and (Z) have same molar mass.

B. (Y) and (Z) can be distinguished from each other by NaHCO$_3$.

C. (Y) and (Z) react with HCN with same rates.

D. (Y) and (Z) undergo addition reaction with 2,4-DNP.

Choose the correct answer from the options given below :

A

A, B and C Only

B

B and C Only

C

C and D Only

D

A and D Only

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