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Which of the following bromides is the major product of the reaction shown below, assuming that there are no carbocation rearrangement?
$+\mathrm{HBr} \underset{(1 \mathrm{Equivalent})}{\to } {\mathrm{C}}_{13}{\mathrm{H}}_{17}\mathrm{Br}$

_{1. 
2. 
3.
4.} 

End product of the reaction is:-
(a)(b)
(c)      (d)

Which one of the following compounds gives acetone (CH₃)₂C=O as one of the products of
1.
2.
3. 
4.   

What is the major product expected form the following reaction?

(a) 
(b) 
(c) 
(d) 

Addition of OsO₄ to cyclopentene generates:
(1) Achiral product
(2) Racemic product
(3) Meso product
(4) Optically active product

 
$\left(\mathrm{A}\right)\stackrel{Na/N{H}_3\left(l\right)}{\to }\left(B\right)\stackrel{MCBPA}{\to }\left(C\right)$
Compound (C) in above sequence of reaction is:
1.  
2. 
3.
4. 

$\underset{\mathrm{Liq}. {\mathrm{NH}}_3}{\overset{\mathrm{Na}}{\to }} \left(A\right)\underset{\mathrm{Zn}}{\overset{{\mathrm{O}}_3}{\to }}\left(B\right)\stackrel{{\mathrm{Ph}}_3\mathrm{P}={\mathrm{CH}}_2\left(2\mathrm{mole}\right)}{\to }\left(C\right)$
Product (C) of the above reaction is :
(a) 1,3-Hexadiene
(b) 1,4-Pentadiene
(c) 1,3-Butadiene
(d) 1,3-Heptadiene

To achieve above conversion, the reagents used will be:
(a) O₃/H₂O₂, HO^-/$∆$                               
(b) HBr, alc. KOH, O₃, LiAlH₄, H⁺/$∆$
(c)  HBr, t-BuOK, O₃, KMnO₄, $∆$
(d)  HBr, alc. KOH, O₃, KMnO₄, $∆$
 

H-C$\equiv$C-Ph  Product; Product obtained in this reaction is:
(a) $\begin{array}{ccccccc}\mathrm{Ph}& -& \underset{\mathrm{I}}{\underset{|}{\mathrm{C}}}& =& \mathrm{CH}& -& \begin{array}{c}\mathrm{I}\end{array}\end{array}$
(b) $\begin{array}{ccccccc}\mathrm{PH}& -& \underset{\mathrm{I}}{\underset{|}{\mathrm{CH}}}& -& {\mathrm{CH}}_2& -& \mathrm{i}\end{array}$
(c) Ph-C$\equiv$C-I
(d) I-C$\equiv$C-H

 

The degree of unsaturation in compound (A) is -
(1) 7                       
(2) 8                       
(3) 9                             
(4) 10
 

Which of the following compounds is the slowest to react with nitrosonium ion (NO⁺)?
1. 
2. 
3. 
4. 

Product (C) is:-
1. 
2. 
3. 
4. 

 Product (A) in this reaction is:
1. 
2. 
3. 
4. 
 

n-Butylbenzene on oxidation with hot alkaline KMnO₄ gives:-

The compound among the following that undergoes bromination of its aromatic ring
(electrophilic aromatic substitution) at the fastest rate is-

1.		2.
3.		4.

An alkene reacts in accordance with Markownikoff's rule to give a product of 1-chloro-l-methylcyclohexane with HCl. The possible alkene is: 

1.
2.
3.	Both 1 and 2
4.

What products are formed when the following compound is treated with Br₂ in the
presence of FeBr₃?

1. 
2. 
3. 
4. 

In a reaction of aniline a coloured product C was obtained.

The structure of C would be
(a) 
(b) 
(c) 
(d) 

Reaction of alkene and peracid gives oxirane. This reaction is named as-
1. Peroxidation                                   
2. Oxidation
3. epoxydation                                   
4. None
 

$\stackrel{\stackrel{\mathrm{H}}{|}}{\mathrm{C}}{\mathrm{H}}_2-\stackrel{\stackrel{\mathrm{Cl}}{|}}{\mathrm{C}}{\mathrm{H}}_2\underset{\mathrm{alc}.}{\overset{\mathrm{NaOH}}{\to }}{\mathrm{CH}}_2={\mathrm{CH}}_2$
The most probable mechanism for the above reaction is-
1. E1                                        
2. E2
3. $E$ $1_{CB}$                                    
4. $\mathrm{\alpha -}$elimination