Chapter_pending — JEE Main PYQs

Match the List-I with List-II

List_I Name of reaction | List-II Reagent or catalyst used

Choose the correct answer from the options given below :

Match List-I with List-II

Given $V_1$ and $V_2$ are initial and final volumes respectively:

An ideal gas undergoes a cyclic transformation starting from the point A and coming back to the same point by tracing the path $\mathrm{A}\to \mathrm{B}\to \mathrm{C}\to \mathrm{D}\to \mathrm{A}$ as shown in the three cases above.

Choose the …

Consider the following molecule (X). The major product formed when X reacts with HBr (Markovnikov addition) is:

Identify the structure of the final product (D) in the following sequence of the reactions :

(see reaction scheme)

Total number of ${\mathrm{sp}}^2$ hybridised carbon atoms in product D is.

The number of correct reaction(s) among the following is ____.
(A)
(B)
(C)
(D)

Match List I with List II

Choose the correct answer from the options given below:

Match List-I with List-II.

The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency ' A ' $\times 10^{12}$ hertz and that has a radiant intensity in that direction of $\frac{1}{{}^{\prime }{\mathrm{B}}^{\prime }}$ watt per steradian. ' A ' a …

The product of the following reaction is P .

The number of hydroxyl groups present in the product P is ____ .

The major products A and B from the following reactions are:

The major product formed in the following reaction is

Find out the major product from the following reaction:

3-methylcyclohex-2-en-1-one --(1) MeMgBr / CuI; (2) n-PrI--> ?

In the following reaction, 'B' is

In the reaction give below:

The product 'X' is:

Match List-I with List-II.

List-I: Substance
List-II: Property

Choose the correct answer from the options given below:
List-I:
(A) 16 g of ${\mathrm{CH}}_4(\mathrm{g})$
(B) 1 g of ${\mathrm{H}}_2(\mathrm{g})$
(C) 1 mole of ${\mathrm{N}}_2(\mathrm{g})$ …

The ratio $\mathrm{x}/\mathrm{y}$ on completion of the above reaction is ____.

Match the following
List-I:
(A) Nylon 6
(B) Vulcanized Rubber
(C) cis-1,4-polyisoprene
(D) Polychloroprene
List-II:
(I) Natural Rubber
(II) Cross Linked
(III) Caprolactam
(IV) Neoprene

The major product for the following reaction is:

$\mathrm{C}{\mathrm{H}}_2=\mathrm{CH}-\mathrm{CN}$ (acrylonitrile) $+$ $\mathrm{HO}-\mathrm{C}{\mathrm{H}}_2\mathrm{C}{\mathrm{H}}_2-\mathrm{SH}$ (2-mercaptoethanol) $⟶$ ?

Match List I and List II.

Choose the correct answer from the options given below:

Identify the correct order for the given property for following compounds
(A) Boiling Point:
(see structures)
(B) Density:
(see structure)
(C) Boiling Point:
(see structure)
(D) Density:
(see structures)
(E) Boiling Point:
(see structure)

Choose the correct answer from the optio …

Match items of column I and II

Match List-I with List-II :

4-Bromopentan-2-one is treated as shown:

$\mathrm{C}{\mathrm{H}}_3-\mathrm{CO}-\mathrm{C}{\mathrm{H}}_2-\mathrm{CH}(\mathrm{C}{\mathrm{H}}_3)-\mathrm{Br}\underset{(ii){\mathrm{H}}_2\mathrm{O}}{\overset{(i)\mathrm{Mg}}{\to }}\text{’A’ (Major Product)}$

A is :

For the conversion shown, $n$-heptane $\stackrel{\text{(reagents)}}{\to }$ $Q$ + $R$, where $Q$ is benzoic acid (${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{COOH}$) and $R$ is benzyl alcohol (${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{C}{\mathrm{H}}_2\mathrm{OH}$), the correct sequence of reagents for the preparation of $Q$ and $R$ is:

Find out the major product for the above reaction.

Most stable product of the following reaction is:

Match List I with List II.

Choose the most appropriate answer from the options given below:

Match the List-I with List- II.

Choose the most appropriate answer from the options given below:

Match the List-I with List- II.

Choose the most appropriate answer from the option given below:

Consider the following reaction sequence:

The product 'B' is:

The major product 'A' of the following reaction has ______ ${\mathrm{sp}}^2$ hybridized carbon atoms.

2,7-dimethylocta-2,6-diene $\stackrel{{\mathrm{H}}^{+}}{\to }$ A (major product)

The Major Product in the above reaction is:

Major product P of above reaction, is :

Identify A in the given reaction.

Identify A in the given chemical reaction.

The product " A " in the above reaction is:

The number of sigma bonds in

The correct decreasing order of densities of the following compounds is:
(A) (see structure)
(B) (see structure)
(C) (see structure)
(D) (see structure)

The product "P" in the above reaction is:

Match List-I (Chemical Reaction) with List-II (Reagent used) :

What is the product of following reaction?

The major products A and B in the following reactions are :

The number of chiral centres present in [B] is ____.

The major product obtained in the following reactions is:

The major product obtained in the following conversion is:

The hottest region of Bunsen flame shown in the figure below is :