JEE Main 2023 (Online) 25th January Evening Shift | Hydrocarbons Question 21 | Chemistry

JEE Main 2023 (Online) 25th January Evening Shift

MCQ (Single Correct Answer)

-1

The isomeric deuterated bromide with molecular formula $$\mathrm{C_4H_8DBr}$$ having two chiral carbon atoms is

2 - Bromo - 1 - deuterobutane

2 - Bromo - 1 - deutero - 2 - methylpropane

2 - Bromo - 3 - deuterobutane

2 - Bromo - 2 - deuterobutane

JEE Main 2023 (Online) 25th January Morning Shift

MCQ (Single Correct Answer)

-1

JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Hydrocarbons Question 15 English

The correct sequence of reagents for the preparation of Q and R is :

$$\mathrm{(i)C{r_2}{O_3},770K,20~atm; (ii)Cr{O_2}C{l_2},{H_3}{O^ + }; (iii)NaOH;(iv){H_3}{O^ + }}$$

$$\mathrm{(i)Cr{O_2}C{l_2},{H_3}{O^ + };(ii)C{r_2}{O_3},770K,20~atm;(iii)NaOH;(iv){H_3}{O^ + }}$$

$$\mathrm{(i)KMn{O_4},O{H^ - };(ii)M{o_2}{O_3},\Delta ;(iii)NaOH;(iv){H_3}{O^ + }}$$

$$\mathrm{(i)M{o_2}{O_3},\Delta ;(ii)Cr{O_2}C{l_2},{H_3}{O^ + };(iii)NaOH;(iv){H_3}{O^ + }}$$

JEE Main 2023 (Online) 25th January Morning Shift

MCQ (Single Correct Answer)

-1

The compound which will have the lowest rate towards nucleophilic aromatic substitution on treatment with OH$$^-$$ is

JEE Main 2023 (Online) 24th January Evening Shift

MCQ (Single Correct Answer)

-1

Find out the major products from the following reactions.

JEE Main 2023 (Online) 24th January Evening Shift Chemistry - Hydrocarbons Question 14 English

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