Reagent (A) and (B) in the above reaction are:

(a) A = RCO3H, B = H2O2                         (b) A = RCO3H, B = HIO4

(c) A = RCO3H, B = O3                             (d) A = O3, B = RCO3H

 

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Rank the following in the increasing order of rate of reaction with HBr.

(P) 

(Q) 

(R) 

(a) R>P>Q

(b) R>Q>P

(c) P>R>S

(d) P>S>R

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Which of the following reactions generates the major product ? Ignore stereoisomerism

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In the given selective hydrogenation which combination is incorrect ?

1. (w.c. = wilkinsons catalyst)

2.  (w.c. = wilkinsons catalyst)

3. 

4. H2CH2-CH=CH-CH3

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ANa/NH3lBMCBPAC

Compound (C) in above sequence of reaction is:

1.    2. 

3.   4. 

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R2O2/hvHBr(A);

Major product (A) is:

(a) 

(b) 

(c) 

(d) 

 

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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In the reaction given below, the product would be :-
                                          OH
                       H3O+                l
CH3-CH=CH-CH3→CH3-CH2-CH-CH3

(a)a mixture of diastereomers
(b)optically active
(c)optically pure enantiomer
(d)a recemic mixture

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 H+Possible products Br2/CCl4(y) products 

The number of possible products for x and y is:

(a) 2,4

(b) 3,5

(c) 3,6

(d) 3,4

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Liq. NH3Na AZnO3BPh3P=CH22moleC

Product (C) of the above reaction is :

(a) 1,3-hexadiene
(b) 1,4-pentadiene
(c) 1,3-butadiene
(d) 1,3-heptadiene

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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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

 

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