JEE Main 2021 (Online) 20th July Morning Shift | Hydrocarbons Question 81 | Chemistry

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JEE Main 2021 (Online) 20th July Morning Shift

MCQ (Single Correct Answer)

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JEE Main 2021 (Online) 20th July Morning Shift Chemistry - Hydrocarbons Question 82 English

For above chemical reactions, identify the correct statement from the following :

Both compound 'A' and compound 'B' are dicarboxylic acids

Both compound 'A' and compound 'B' are diols

Compound 'A' is diol and compound 'B' is dicarboxylic acid

Compound 'A' is dicarboxylic acid and compound 'B' is diol

JEE Main 2021 (Online) 18th March Morning Shift

MCQ (Single Correct Answer)

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Match List - I with List - II :

List - I (Chemicals)

(a) Alcoholic potassium hydroxide

(b) Pd/BaSO₄

(c) BHC (Benzene hexachloride)

(d) Polyacetylene

List - II (Use / Preparation / Constituent)

(i) Electrodes in batteries

(ii) Obtained by addition reaction

(iii) Used for $$\beta$$ - elimination reaction

(iv) Lindlar's catalyst

Choose the most appropriate match :

(a) - (ii), (b) - (i), (c) - (iv), (d) - (iii)

(a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)

(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)

(a) - (ii), (b) - (iv), (c) - (i), (d) - (iii)

JEE Main 2021 (Online) 17th March Evening Shift

MCQ (Single Correct Answer)

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Choose the correct statement regarding the formation of carbocations A and B given.

JEE Main 2021 (Online) 17th March Evening Shift Chemistry - Hydrocarbons Question 84 English

Carbocation A is more stable and formed relatively at faster rate

Carbocation B is more stable and formed relatively at slow rate

Carbocation B is more stable and formed relatively at faster rate

Carbocation A is more stable and formed relatively at slow rate

JEE Main 2021 (Online) 17th March Evening Shift

MCQ (Single Correct Answer)

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Given below are two statements :

Statement I : 2-methylbutane on oxidation with KMnO₄ gives 2-methylbutan-2-ol.

Statement II : n-alkanes can be easily oxidised to corresponding alcohols with KMnO₄.

Choose the correct option :

Both statement I and statement II are incorrect

Both statement I and statement II are correct

Statement I is correct but statement II is incorrect

Statement I is incorrect but statement II is correct

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