JEE Main 2021 (Online) 16th March Evening Shift | Hydrocarbons Question 62 | Chemistry

An unsaturated hydrocarbon X on ozonolysis gives A. Compound A when warmed with ammonical silver nitrate forms a bright silver mirror along the sides of the test tube. The unsaturated hydrocarbon X is :

HC $$ \equiv $$ C $$-$$ CH₂ $$-$$ CH₃

JEE Main 2021 (Online) 16th March Evening Shift Chemistry - Hydrocarbons Question 63 English Option 2

CH₃ $$-$$ C $$ \equiv $$ C $$-$$ CH₃

JEE Main 2021 (Online) 16th March Evening Shift Chemistry - Hydrocarbons Question 63 English Option 4

JEE Main 2021 (Online) 16th March Morning Shift

MCQ (Single Correct Answer)

-1

Which of the following is Lindlar catalyst?

Partially deactivated palladised charcoal

Zinc chloride and HCl

Sodium and Liquid NH₃

Cold dilute solution of KMnO₄

JEE Main 2021 (Online) 26th February Evening Shift

MCQ (Single Correct Answer)

-1

In $$\mathop C\limits^1 {H_2} = \mathop C\limits^2 = \mathop C\limits^3 H - \mathop C\limits^4 {H_3}$$ molecule, the hybridization of carbon 1, 2, 3 and 4 respectively, are :

sp², sp, sp², sp³

sp², sp², sp², sp³

sp³, sp, sp³, sp³

sp², sp³, sp², sp³

JEE Main 2021 (Online) 25th February Evening Shift

MCQ (Single Correct Answer)

-1

The correct sequence of reagents used in the preparation of 4-bromo-2-nitroethyl benzene from benzene is :

$$C{H_3}COCl/AlC{l_3},B{r_2}/AlB{r_3},HN{O_3}/{H_2}S{O_4},Zn/HCl$$

$$C{H_3}COCl/AlC{l_3},Zn - Hg/HCl,B{r_2}/AlB{r_3},HN{O_3}/{H_2}S{O_4}$$

$$B{r_2}/AlB{r_3},C{H_3}COCl/AlC{l_3},HN{O_3}/{H_2}S{O_4},Zn/HCl$$

$$HN{O_3}/{H_2}S{O_4},B{r_2}/AlC{l_3},C{H_3}COCl/AlC{l_3},Zn - Hg/HCl$$