Major products A and B formed in the following reaction sequence, are 


 
1.
2.
3.
4.

 
Subtopic:  Chemical Properties |
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\(\text{CCl}_2\text{F}_2\)is one of the most common haloalkanes used in industries. The reaction through which it is manufactured from tetrachloromethane is called:

1. Finkelstein reaction
2. Sandmeyer's reaction
3. Swarts reaction
4. Wurtz-Fittig reaction
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The correct order for the rate of \(\alpha\) , \(\beta\)-dehydrohalogenation for the following compounds is:
(i)  (ii) 
(iii) 
 
1. (i) < (ii) < (iii) 2. (ii) < (i) < (iii)
3. (iii) < (ii) < (i) 4. (ii) < (iii) < (i)
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A reaction among the following can generate isonitriles as a major product.

A. \(R-X + HCN \rightarrow \)
B. \(R-X + AgCN \rightarrow \)
C. \(R-X + KCN \rightarrow \)
D. \(R-X + NaCN \xrightarrow [C_2H_5OH] {H_2O} \) 

Choose the most appropriate answer from the options given below: 
1. (D) only  2. (C) and (D) only  
3. (B) only  4. (A) and (B) only 
Subtopic:  Chemical Properties |
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Identify 'X' in the following reaction.
1. 2.
3. 4.
Subtopic:  Chemical Properties |
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Identify the statement that is incorrect regarding chirality:
1. A racemic mixture shows zero optical rotation 
2. SN1 reaction yields a 1:1 mixture of both enantiomers
3. The product obtained by SN2 reaction of haloalkane having chirality at the reactive site shows the inversion of configuration
4. Enantiomers are superimposable mirror images on each other
Subtopic:  Chemical Properties |
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The correct reaction among the following is:

1.  
2.
3.  
4.  
Subtopic:  Chemical Properties |
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The product formed in the following reaction sequence is:
 

1.  
2. \(CH_3-CH=CH-CH_3 \)
3. \(CH_3 -CH_2 -CH = CH_2 \)
4. \(CH_3 -CH_2 -CH_2 -CH_2 -OH \)
Subtopic:  Chemical Properties |
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Predict the order of reactivity of the following four isomers towards SN2 reaction.
(I) CH3CH2CH2CH2Cl
(II) CH3CH2CH(Cl)CH3
(III) (CH3)2CHCH2Cl
(IV) (CH3)3CCl
1. (IV) > (III) > (II) > (I)
2. (I) > (II) > (III) > (IV)
3. (I) > (III) > (II) > (IV)
4. (IV) > (II) > (III) > (I)
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The incorrect method for the synthesis of alkenes is:
1. Treatment of alkynes with Na in liquid NH3
2. Heating alkyl halides with alcoholic KOH
3. Treating alkyl halides in aqueous KOH solution
4. Treating vicinal dihalides with Zn metal
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