WB JEE 2024 | Hydrocarbons Question 1 | Chemistry

WB JEE 2024

MCQ (Single Correct Answer)

-0.25

The decreasing order of reactivity of the following alkenes towards $$\mathrm{HBr}$$ addition is

WB JEE 2024 Chemistry - Hydrocarbons Question 3 English

I > II > III > IV

II > IV > I > III

III > IV > I > II

III > I > II > IV

WB JEE 2024

MCQ (Single Correct Answer)

-0.25

The compounds A and B are respectively

WB JEE 2024 Chemistry - Hydrocarbons Question 1 English

WB JEE 2024

MCQ (Single Correct Answer)

-0.5

WB JEE 2024 Chemistry - Hydrocarbons Question 2 English

$$\mathrm{Q}$$ and $$\mathrm{R}$$ in the above reaction sequences are respectively

$$ \mathrm{Hg}(\mathrm{OAc})_2, \mathrm{NaBH}_4 / \overline{\mathrm{O}} \mathrm{H} ; \mathrm{B}_2 \mathrm{H}_6, \mathrm{H}_2 \mathrm{O}_2 / \overline{\mathrm{O}} \mathrm{H} $$

$$ \mathrm{B}_2 \mathrm{H}_6, \mathrm{H}_2 \mathrm{O}_2 / \overline{\mathrm{O}} \mathrm{H} ; \mathrm{H}^{+} / \mathrm{H}_2 \mathrm{O} $$

$$ \mathrm{Hg}(\mathrm{OAc})_2, \mathrm{NaBH}_4/ \overline{\mathrm{O}} \mathrm{H} ; \mathrm{H}^{+} / \mathrm{H}_2 \mathrm{O} $$

$$ \mathrm{B}_2 \mathrm{H}_6, \mathrm{H}_2 \mathrm{O}_2 / \overline{\mathrm{O}}\mathrm{H} ; \mathrm{Hg}(\mathrm{OAc})_2, \mathrm{NaBH}_4 / \overline{\mathrm{O}} \mathrm{H} $$

WB JEE 2023

MCQ (Single Correct Answer)

-0.25

WB JEE 2023 Chemistry - Hydrocarbons Question 6 English

Structure of M is,

$$\mathrm{Ph-C\equiv CH}$$

$$\mathrm{Ph-C\equiv C-CH_3}$$

$$\mathrm{H_3C-C\equiv CH}$$

$$\mathrm{H_3C-C\equiv C-CH_3}$$

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