Please be patient as the PDF generation may take up to a minute.

The major product of the following reaction is –

Which of the following is not a correct method of the preparation of benzylamine from cyanobenzene ?
1. (i) SnCl₂ + HCl(gas)      (ii) NaBH₄
2. H₂/Ni
3. (i) LiAlH₄        (ii) H₃O⁺
4. (i) HCl/H₂O    (ii) NaBH₄

The major product 'Y' in the following reactions is :





 

The major product 'Y' in the following reaction is :
 $$$\stackrel{NaOCl}{\to }X\underset{\left(ii\right) aniline}{\overset{\left(i\right) SOC{l}_{2_{}}}{\to }}Y$
1. 
2. 
3. 
4. 

The major product of the following reaction if :

What are the major products (A) and (B) for the following reactions, respectively?

1.
2.
3.
4.

The major product (A) of the following reaction is:

1.		2.
3.		4.

The major product of the following reaction is :

The major products of the following reaction are:

1.		2.
3.		4.

Heating of 2-chloro-1-phenylbutane with EtOK/EtOH gives X as the major product. Reaction of X with Hg(OAc)₂/H₂O followed by NaBH₄ gives Y as the major product. Y is :

The major aromatic product C in the following reaction sequence will be :

1. 
2. 
3. 
4. 

An organic compound (A) (molecular formula C₆H₁₂O₂) was hydrolyzed with dil. H₂SO₄ to give a carboxylic acid (B) and alcohol (C). 'C' gives white turbidity immediately when treated with anhydrous ZnCl₂ and conc. HCl. The organic compound (A) is:

1.		2.
3.		4.

The number of chiral centers present in [B] is-

In the following reaction sequence, product [C] is :

1.
2.
3.
4.

The major product [R] in the following sequence of reactions is :

1. 
2. 
3.
4. 

The major product [C] of the following reaction sequence will be :

1. 
2. 
3. 
4. 

The compound A in the following reactions is :

1.
2. $$\begin{gathered} C_6{H}_5-C{H}_2-\stackrel{O \\ \left|\right|}{C}-C{H}_3 \end{gathered}$$
3. $$\begin{gathered} C_6{H}_5-\stackrel{O \\ \left|\right|}{C}-C{H}_{2}C{H}_3 \end{gathered}$$
4. $$\begin{gathered} C_6{H}_5-\stackrel{O \\ \left|\right|}{C}-C{H}_3 \end{gathered}$$

Three isomers A, B, and C (mol. formula C₈H₁₁N) give the following results:

R has a lower boiling point than S,  B gives an alkali-insoluble product with \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{SO}_2 \mathrm{Cl}\).
A, B, and C, respectively are : 
1. 
2. 
3. 
4. 

In the following reaction sequence, the major products A and B are :

1. 
2. 
3. 
4. 

The final major product of the following reaction is: 

1.
2.
3.
4.

The correct sequence of reagents used in the preparation of 4-Bromo-2-nitro-1-ethyl benzene from benzene is:$\begin{array}{l}\end{array}$

'A' and 'B' in the following reactions are:
 

	A	B		A	B
1.			2.
3.			4.

What is the final product (major) 'A' in the given reaction?
 

1.		2.
3.		4.

What is the correct sequence of reagents used for converting nitrobenzene into m-dibromobenzene ?
1. $\begin{array}{l}\stackrel{{\mathrm{NaNO}}_2}{\to }/\stackrel{\mathrm{HCl}}{\to }/\stackrel{\mathrm{KBr}}{\to }/\stackrel{{\mathrm{H}}^{+}}{\to }\end{array}$
2. $\begin{array}{l}\stackrel{{\mathrm{Br}}_2/\mathrm{Fe}}{\to }/\stackrel{\mathrm{Sn}/\mathrm{HCl}}{\to }/\stackrel{{\mathrm{NaNO}}_2/\mathrm{HCl}}{\to }/\stackrel{\mathrm{CuBr}/\mathrm{HBr}}{\to }\end{array}$
3. $\begin{array}{l}\stackrel{\mathrm{Sn}/\mathrm{HCl}}{\to }/\stackrel{\mathrm{KBr}}{\to }/\stackrel{{\mathrm{Br}}_2}{\to }/\stackrel{{\mathrm{H}}^{+}}{\to }\\ \end{array}$
4.  $\stackrel{\mathrm{Sn}/\mathrm{HCl}}{\to }/\stackrel{{\mathrm{Br}}_2}{\to }/\stackrel{{\mathrm{NaNO}}_2}{\to }/\stackrel{\mathrm{NaBr}}{\to }$

Consider the following reactions :

The structure of A is-
1. 
2. 
3. 
4. 

Among the following reactions, the reaction will not form acetaldehyde is:
1. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}\underset{573\mathrm{K}}{\overset{Cu}{\to }}$
2. $C{H}_{3}CN\underset{\left(ii\right) H_{2}O}{\overset{\left(i\right) DIBAL H}{\to }}$
3. ${\mathrm{CH}}_2={\mathrm{CH}}_2+{\mathrm{O}}_2 \underset{{\mathrm{H}}_2\mathrm{O}}{\overset{\mathrm{Pd}\left(\mathrm{II}\right)/\mathrm{Cu}\left(\mathrm{II}\right)}{\to }}$
4. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}\stackrel{{\mathrm{CrO}}_3-{\mathrm{H}}_2{\mathrm{SO}}_4}{\to }$

1. a. Br₂/H₂O; b- NaNO₂/HCl; c- H₃PO₂ /H₂O
2. a-NaNO₂/HCl; b- H₃PO₂ /H₂O; c-Br₂/H₂O
3. a-NaNO₂/HCl; b-H₂O; c-Br₂/H₂O
4. None of the above