The end product of the folloowing reaction sequence is:

(1) 
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

The compound 'C' is

  • PhCH(OH)CHO

  • PhCH(OH)COOH

  •  

  •   

Which step is not feasible in the following loop?

  • step – a

  • step – b

  • step – c

  • step – d

The product R is :

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

The product B is

  • PhCH = CHCH2Br

  • PhCH2CH(Br)COOH

  • PhCH = CH − Cobr

The number of stereoisomeric products formed in the following reaction is

  • 1

  • 8

  • 4

  • 2

In which of the following compounds O18 exchange can be observed on keeping it in H2O18

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

The possible number of stereoisomers of the product of following reaction would be :

  • 2

  • 4

  • 6

  • 8

The following reaction gives:

 + HCHO→conc.NaOH?

  •   + CH3OH                   

  •   + HCO2

  •   +HCOOH                 

  •  + CH3OH

Which of the following ketone recemises in aqueous solution containing some acidic or basic impurities.

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

The final product (X) of the following reactions would be

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

The final product U is

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

Compound X in the above reaction is

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

PhCOOH, PhMe can be separated by

  • KMnO4

  • aq. NaHCO3 + n–hexane

  • H2O

  • All of these

Reactivity order towards a nucleophile is

  • RCOCI > RCOOEt > (RCO)2O > RCONH2

  • RCOCI > (RCO)2O > RCOOEt > RCONH2

  • (RCO)2 > RCOCI > RCOOEt > RCONH2

  • (RCO)2O > RCOOEt > RCOCI > RCONH2

When phenyl glyoxal is kept in a solution of aq. NaOH it is converted to

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

The basicity order of I, II and III is

  • III > I > II

  • I > II > III

  • III > II > I

  • II > III > I

What will be the kmost probable product when compound 'X' is treated with two equivalents of NaOH,

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

Which pair of compounds on heating give isomeric products

(1)  
(2)
(3)
(4)All the above
  • 1
  • 2
  • 3
  • 4

The correct sequence of reagents for the following conversion is

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

X, Y are

(1)  
(2)
(3)
(4)All of these
  • 1
  • 2
  • 3
  • 4

(1)  
(2)
(3)
(4)All of these

X, Y both responds to FeCl3 test and 2, 4 DNP test. One is thermodynamically controlled product (TCP) and another is kinetically controlled product (KCP). KCP is
  • 1
  • 2
  • 3
  • 4

Product is/are

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

Product 'W' is

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

Compound (C) in above reaction is:

  •  α-hydroxy acid

  •  α-amino acid

  •  α-amino alkanol

  •  α-amino β-hydroxy acid

Which structural unit is possessed by aldehyde and not ketone?

  •  α-H-atom

  • H-atom and carbonyl group

  • OH and carbonyl group

  • None of the above

Final product is

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

Which of the following undergoes decarboxylation most readily on being heated?

1.  
2.
3.
4.
  • 1
  • 2
  • 3
  • 4

product (A) of the reaction is

(1)  
(2)
(3)
(4)
  • 1
  • 2
  • 3
  • 4

Which statement is correct about the following reaction

  • There is inversion of configuration at asymmetric C* atom

  • There is No change of configuration at asymmetric C* atom

  • There is 100% racemisation at C* atom

  • % inversion > % retention at C* atom

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