Recently Active Organic Chemistry Questions

Which is the correct order of bond lengths in methyl mercaptan (a)C-S > C-H > S-H (b)C-S >S-H > C-H (c)S-H >C-S > C-H (d) none ...

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Which of the following carbocation can be easily isolated ? (A) (Me)3C+ (B) *Image* + (C) Ph-CH2 + (D) H2C=CH--CH2 ...

S1 : The reaction of o-bromoanisole gives only meta-aminoanisole on reaction with KNH2 in liquid ammonia. S2 : The above reaction is an example of elimination-addition mechanism. ...

*Image* The above compound + Q 1. B2D6/CH3COOD Q 2. B2H6/D2SO4/D2O Q 3. B2D6/dil H2SO4 ...

S1 : A mixture of primary,secondary and tertiary amines is formed in good yield by heating carbonyl compounds with NH3 and H2 in presence of a catalyst. S2 : The eqb. constant for addition of NH3 to all carbonyl compounds are ...

*Image* (i) CH2PPh3 (ii) CH2I2/Zn -----> ?? ...

CH3 O | || CH3--C----C----NH2 + Br2/KOH/Δ -----> ?? | Br IS this the final product -- CH3 | CH3C=NH ...

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*Image* Ans : V<III<I<II<IV PLEASE EXPLAIN !!! ...

This may be a silly question......but since I'm a beginner in organic chemistry,I need the answer to this simple question : HOW TO REMEMBER THE LIST OF COMPOUNDS HAVING +I OR -I AND +R OR -R EFFECTS ???? ALSO HOW DO I REMEMBE ...

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*Image* + (i) Hg(OAc)2/HOH/THF ---> ?? (ii) NaBH4/NaOH There will be anti addition of water or syn addition ?? ...

Is there any formula to calculate structural isomers,geometric isomers(cis-trans) like we have studied for optical isomers ? ...

Q1 how many isomers?? *Image* Q2 acidic order? *Image* ...

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q1> C6H5-COOH + CH3MgI → q2> CH3CONHC6H5 +Br2/Fe → ...

Q1 *Image* Q2 *Image* Q3 any concept for this question ???????????or simply memory stuff ?? *Image* ...

*Image* give reasons ...

QUESTION UNANSWERED---- *Image* ...

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1- Suggest a Chemical Test to distinguish b/w - *Image* 2- Chloro Benzene is subjected to the following- i)Nitration mixture ii) Cl2/FeCl3 iii) NH2-NH2 The Final Product is ? 3) A: Only method of preparing F2 is electrolytic ...

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CH3COCH3 + conc. HCl/Zn-Hg/D2O/Δ → ?? Are these the products --- CH3CH2CH3,CH3-CHD-CH3,CH3CD2CH3, ...

1..Acetophenone----1.Br2(1 equivalent)---->? 2.NaBH4 3.Base 2. *Image* ...

*Image* Please give the stability order with proper reasons . Ans : II < I < IV < III ...

*Image* Arrange in order of stability giving reason. Ans : I < IV< II < III ...