ORGANIC CHEMISTRY TEST#2#difficulty level-HIGH

Ethanal and But-2-en-al reacts in the presence of strong base NaOH .The major product is X.X is formed by removal of –


The synthesis of 3 – octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an

alkyne. The bromoalkane and alkyne respectively are


What is the Thermodynamics product obtained when 4-methylPent-1,3-diene reacts with HBr?


If n=no. of chiral atoms,a=no. of optically active isomers,r=no.of racemic isomers and m=no. of meso forms,then find n,a,r and m for tartaric acid(CHOHCOOH-CHOHCOOH)-


The given compound reacts with Pd/BaSO4,H2,quinoline to give an aldehyde X.X


Butanone reacts with Benzaldehyde in presence of NaOH /water to give X while in presence of acid ,it gives Y.X and Y are:


Acetoacetic ester(H3CCOCH2COOC2H5) shows tautomerism. Which of following are correct statements about acetoacetic ester?

a.in liquid state,enol content is more than keto content.

b.in aqueous solution,enol content is more than keto content.

c.it adds on HCN,NaHSO3,etc.

d.it gives dark colouration with ferrous chloride.


Integer answer type (0-9) :

How many among following compounds will give a yellow precipitate with iodine and alkali?

2-Hydroxypropane,acetamide,methyl acetate,acetophenone,ICH2COCH2Me,MeCOOCOMe,acetone,PhCHOHMe


Match the following:

A.Gives unpleasant odour when p.Phenol

reacted with chloroform and

solid KOH

B.Gives Prussian blue colour in q.Aniline

Sodium fusion test

C.A brisk effervescence when r.Benzoic acid

reacted with sodium bicarbon

ate

D.Gives +ve neutral Ferric chlo s.Ammonia

Ride test

t.o-nitro,p-

hydroxybenzoic

acid


Assertion reason type:

Assertion:Iodoform is obtained by the reaction of acetone with hypoiodite but not with iodine ion.

Reason:hypoiodite is a weaker base than iodide ion.

Option( A)' i'f the statementsa re TRUE and STATEMENT-2is the correcte xplanationo f

STATEMENT-1

Option( B) if botht he statementsa re TRUE but STATEMENT-i2s NOTt he correcte xplanationo f

STATEMENT1-

Option( C) if STATEMENT-i1s TRUEa ndS TATEMENT-i2s FALSE'

option( D) if STATEMENT-i1s FATSEa ndS TATEMENT-i2s TRUE.













































Description:

THIS TEST CHECKS UR COMMAND IN ORGANIC CHEMISTRY.CHECK URSELF WITH FOLLOWING REMARKS:
SCORE REMARK
0-2 POOR
3-5 U CAN SOLVE AIEEE/AIPMT,ETC QUESTIONS OF OC.
6-8 U CAN SOLVE IIT JEE QUESTIONS OF OC
9-10 U VE FULL OVER OC,KEEP IT UP.....
do check answer explanation given for each questions and try 2 learn them.
dont panic if u score poor,learn from mistakes
and finally,do give feedbacks about the test.
Best of luck guys and gals.......

Discussion

Kiran

why the Ortho substituted benzoic acid is more acidic?

2478 days 18 hours 44 minutes ago

Kiran

why the Ortho substituted benzoic acid is more acidic?

2478 days 18 hours 45 minutes ago

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