Identify the product (A) of the following reaction,
ethyl alcohol
ethyl propionate
ethanoic acid
ethyl acetate
The synthesis of crotonaldehyde from acetaldehyde is an example of ........... reaction.
nucleophilic addition
elimination
electrophilic addition
nucleophilic addition-elimination
Which one of the following gives yellow precipitate with iodine and NaOH solution?
CH3—CHO
C6H5COC6H5
HCHO
CH3OH
The pKa values of four carboxylic acids are 4.76, 4.19, 0.23 and 3.41 respectively. The pKa value ofstrongest carboxylic acid among them is
4.19
3.41
0.23
4.76
Compound A (C3H6O) undergoes following reactions to form B and C. Identify A, B and C.
A.
The compound reacts with I2/NaOH, so it must be a methyl ketone and it should give iodoform (CHI3) in this reaction.
Identify the reagents A and B respectively in the following reaction.
CH3COOH CH3COCl CH3CHO
SOCl2, H2/ Pd-BaSO4
H2/ Pd-BaSO4, SOCl2
SOCl2, H2O2
SOCl2, O5O4
Predict respectively 'X and 'Y' in the following reactions.
Ar-NH2 Ar-≡N
NaNO3 and Cl2
NaNO3 - HCl and HCl
NaNO2 - HCl and Cu/ HCl
NaNO2 - HCl and NaNH2