1
WB JEE 2024
MCQ (Single Correct Answer)
+1
-0.25
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The decreasing order of reactivity of the following alkenes towards $$\mathrm{HBr}$$ addition is

WB JEE 2024 Chemistry - Hydrocarbons Question 3 English

A
I > II > III > IV
B
II > IV > I > III
C
III > IV > I > II
D
III > I > II > IV
2
WB JEE 2024
MCQ (Single Correct Answer)
+1
-0.25
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The compounds A and B are respectively

WB JEE 2024 Chemistry - Hydrocarbons Question 1 English

A
WB JEE 2024 Chemistry - Hydrocarbons Question 1 English Option 1
B
WB JEE 2024 Chemistry - Hydrocarbons Question 1 English Option 2
C
WB JEE 2024 Chemistry - Hydrocarbons Question 1 English Option 3
D
WB JEE 2024 Chemistry - Hydrocarbons Question 1 English Option 4
3
WB JEE 2024
MCQ (Single Correct Answer)
+2
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WB JEE 2024 Chemistry - Hydrocarbons Question 2 English

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

A
$$ \mathrm{Hg}(\mathrm{OAc})_2, \mathrm{NaBH}_4 / \overline{\mathrm{O}} \mathrm{H} ; \mathrm{B}_2 \mathrm{H}_6, \mathrm{H}_2 \mathrm{O}_2 / \overline{\mathrm{O}} \mathrm{H} $$
B
$$ \mathrm{B}_2 \mathrm{H}_6, \mathrm{H}_2 \mathrm{O}_2 / \overline{\mathrm{O}} \mathrm{H} ; \mathrm{H}^{+} / \mathrm{H}_2 \mathrm{O} $$
C
$$ \mathrm{Hg}(\mathrm{OAc})_2, \mathrm{NaBH}_4/ \overline{\mathrm{O}} \mathrm{H} ; \mathrm{H}^{+} / \mathrm{H}_2 \mathrm{O} $$
D
$$ \mathrm{B}_2 \mathrm{H}_6, \mathrm{H}_2 \mathrm{O}_2 / \overline{\mathrm{O}}\mathrm{H} ; \mathrm{Hg}(\mathrm{OAc})_2, \mathrm{NaBH}_4 / \overline{\mathrm{O}} \mathrm{H} $$
4
WB JEE 2023
MCQ (Single Correct Answer)
+1
-0.25
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WB JEE 2023 Chemistry - Hydrocarbons Question 6 English

Structure of M is,

A
$$\mathrm{Ph-C\equiv CH}$$
B
$$\mathrm{Ph-C\equiv C-CH_3}$$
C
$$\mathrm{H_3C-C\equiv CH}$$
D
$$\mathrm{H_3C-C\equiv C-CH_3}$$
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