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Compound X will be 

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

 

3

 

Find the compound "X" which give the following test:

Neutral FeCl3  -Ve

Fehling Solution  -ve

Iodoform reaction  +ve

Grignard reagent  +ve

 

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

 

1

Match the catalysts (Column I) with products (Column II).

             ColumnI                                          Column II

            Catalyst                                               Product

      (A)   V_{2}O_{5}                                          (i) Polyethylene     

      (B)  TiCl_{4}/Al(Me)_{3}                      (ii) ethanal

      (C)   PdCl_{2}                                       (iii)   H_{2}SO_{4}

      (D) Iron\; Oxide                               (iv)   NH_{3}

 

 

  • Option 1)

     (A)-(iii); (B)-(iv);(C)-(i);(D)-(ii)

  • Option 2)

      (A)-(ii);(B)-(iii);(C)-(i);(D)-(iv)

  • Option 3)

     (A)-(iii);(B)-(i);(C)-(ii);(D)-(iv)

  • Option 4)

     (A)-(iv);(B)-(iii);(C)-(ii);(D)-(i)

 
      Contact Process - In this process SO2 obtained by burning of S or iron pyrites which is catalytically oxidised to  in presence of timely divided Pt or  as catalyst -       High density Polythene (HDP) - -  Polymerization of ethene in a hydrocarbon solvent under low pressure in presence of triethylaluminium and titanium tetrachloride (Ziegier. natta catalyst) -  Chain growth,...

The major product of the following reaction is 

 

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

  Side chain chlorination followed by hydrolysis - The halogenation/chlorination of Toluene can occur in 2 methods of electrophilic substitution: The Chlorine either substitutes itself with a Hydrogen atom in the phenyl ring, or it substitutes with a Hydrogen atom in the Methyl group (side chain reaction) to form variants of Chloromethylbenzene/Benzyl Chloride (C6H5CH2Cl).   Electrophilic...

The major product obtained in the following reaction is:

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

    Aldol condensation - Aldehydes and ketones possessing  - hydrogen atom in the presence of dilute alkali undergo self-condensation to form   - hydroxy aldehyde and    - hydroxy ketone. - wherein                  Product  (1) It is aldol conchensation Mechanism is as follows Note:- there in 1 step there will be formation of evolate  Option 1)Option 2)Option 3)Option 4)

The major product of the following reaction is :

CH_{3}CH=CHCO_{2}CH_{3}\xrightarrow{LiAlH_{4}}

  • Option 1)

     CH_{3}CH_{2}CH_{2}CO_{2}CH_{3}          

  • Option 2)

    CH_{3}CH=CHCH_{2}OH

  • Option 3)

    CH_{3}CH_{2}CH_{2}CH_{2}OH

  • Option 4)

     CH_{3}CH_{2}CH_{2}CHO

  Alcohol formation by reduction of esters - Yields two alcohols - wherein      do not reduce alkeneOption 1)           Option 2)Option 3)Option 4) 

The major product of the following reaction is : 

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

  Alcohols reaction with hydrogen halides - Forms alkyl halides. - wherein     Alcohols reaction with hydrogen halides - Forms alkyl halides. - wherein       CN is strong electron withdrawing group, therefore it will create  charge on adjacent carbon and thus (  ) will attack on this carbon by  mechanism. Thus, NOTE: answer provided by NTA is wrong. The answer provided by us is...

The major product of the following reaction is :

  • Option 1)

       

  • Option 2)

     

  • Option 3)

       

  • Option 4)

       

  Alcohols reaction with phosphorus trihalides - Form alkyl halides  - wherein X = Cl, Br, I     Option 1)   Option 2) Option 3)   Option 4)   

What will  be the major product when m-cresol is reacted with propargyl bromide (HC\equiv C-CH_{2}Br) in the presence of K_{2}CO_{3}  in acetone?

 

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

  Ethers preparation by alcohol dehydration - It is nucleophilic bimolecular reaction (SN2) having primary alkyl group.Follows SN1 pathway with secondary or tertiary alcohol. - wherein        +  major product = ? This process is also known as Williamson's synthesis of ether  Option 1)Option 2)Option 3)Option 4)

The major product of the following reaction is :

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

Oxidation of primary alcohol or an aldehyde - Primary alcohol oxidizes in the presence of oxidising agent to give aldehyde which further oxidises to give the carboxylic acid.  - wherein   Option (3) is correctOption 1)Option 2)Option 3)Option 4)

The major product of the following reaction is :

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

Option 1)Option 2)Option 3)Option 4)

p-Hydroxybenzophenone  upon reaction with bromine   in  carbon\:\:tetrachloride  gives :

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

is ortho para directing and para is already occupied .   Option 1)Option 2)Option 3)Option 4)

The major products of the following reaction are :

  • Option 1)

    and Methanol

  • Option 2)

     and Methanol

  • Option 3)

     and Formic acid

  • Option 4)

    and Formic acid

  Lederer Manasse reaction - Product formed is bakellite. - wherein    4184 Lederer Manasse reaction - Product formed is bakellite. - wherein       (1)    (2)       Option (3) is correct   and Formic acid  Option (3) is correct   Option 1)and MethanolOption 2) and MethanolOption 3) and Formic acidOption 4)and Formic acid

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

  • Option 1)

  • Option 2)

     

  • Option 3)

  • Option 4)

Option 1)Option 2) Option 3)Option 4)

Compound A\left ( C_{9}H_{10}O \right ) shows positive iodoform test. Oxidation of A with KMnO_{4}/KOH gives acid B\left ( C_{8}H_{6}O_{4} \right ). Anhydride of B is used for the preparation of phenolphalein. Compound A is :

  • Option 1)

  • Option 2)

  • Option 3)

     

  • Option 4)

      

 
Option 1) Option 2) Option 3)   Option 4)   

The major product of the following reaction is : 

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

 
( Nucleophilicity of  is greater than  ,  thus  will attack on ).      The final product is : .  option (2) is correct.   Option 1) Option 2) Option 3) Option 4)

Major products of the following reaction are:

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

    CH_{3}OH\: \: and\: \: HCO_{2}H

 Option (3) is correct.Option 1)Option 2)Option 3)Option 4)