What happens when ethylamine is treated with
(a) `CHCl_(3)//NaOH` (b) `CS_(2)` (c ) `COCl_(2)` (d) `C_(6)H_(5)CHO`

What happens when boron reacts with a) conc. H_(2)SO_(4) b) conc. HNO_(3) c) SiO_(2)

Draw resonance structures for the following : (a) CH_(3)COO^(-), (b) CH_(3)CONH_(2) , (c) C_(6)H_(5)CHO , (d) C_(6)H_(5)COO^(-)

Draw the resonance structures for the following compounds. Show the electron shift using curved-arrow notation. (a) C_(6)H_(5)OH (b) C_(6)H_(5)NO_(2) (c ) CH_(3)CH=CHCHO (d) C_(6)H_(5)-CHO (e) C_(6)H_(5)-overset(+)(C )H_(2) (f) CH_(3)CH=CHoverset(+)(C )H_(2)

Write the position isomers of (a) C_(3)H_(6)Cl_(2) (b) C_(3) H_(5) Cl

Write the IUPAC names of (a) C_(2)H_(5)OCH_(3) (b) C_(6)H_(5)OC_(2)H_(5)

What happens when the following compounds are treated with dilute NaOH solution in cold ? (a) propanal, (b) (CH_(3))_(3)C-CHO , (c) mixture of (CH_(3))_(3) C CHO and acetone.

How can the following conversions be effected ? (a) CH_(3)COCl rarr CH_(3)CHO (b) CH_(3)COCl rarr CH_(3)COCH_(3) (c ) CH_(3)CN rarr CH_(3)CHO (d) CH_(3)CN rarr CH_(3)CH_(2)OH

What happens when acetic acid is (a) heated with P_2O_5 , (b) treated with LiA//H_4 and (c) treated with SOCl_2 ?

Which of the following pairs is more resonance stabilised ? (a) C_(6)H_(5)CHO and C_(6)H_(13)CHO (b) CH_(3)COCH_(3) and CH_(3)COC_(6)H_(5) , (c) p-hydroxy benzaldehyde and m-hydroxy benzaldehyde, (d) C_(6)H_(5)CH_(2)OH and CH_(3)-C_(6)H_(4)-OH" (para)"