Chemistry Question Bank

Among the following compounds the one that is most reactive towards electrophilic nitration is (AIPMT 2014)

Rosenmund reduction is used for the preparation of (Manipal 2012)

The correct order of decreasing acid strength of trichloroacetic acid (1), trifluoroacetic acid (2), acetic acid (3) and formic acid (4) is (AIPMT 2012)

In a set of reactions, ethyl benzene yielded at product D. ‘D’ would be (RPMT 2011) (a) (b) (c) (d) Ans. (a) Sol. In presence of alkaline potassium permanganate, ethylbenzene undergoes oxidation and leads to the forma…

H H O RCOOH X RCH NH -> Identify the X in the above reaction. (Haryana PMT 2010)

Which of the following is most acidic? (Haryana PMT 2010)

In a set of reactions, acetic acid yielded product D. SOCl Benzene Anhy.AlCl CH COOH A -> -> HCN HOH B C D. -> -> The D would be (RPMT 2010) (a) (b) (c) (d) Ans. (d) Sol. Acetic acid when treated with SOCl gives ac…

In HCOO–, the two carbon-oxygen bonds are found to be of equal length. What is the reason for this? (RPMT 2010)

The reaction, 2 | Red P Br Br RCH CH COOH RCH CHCOOH -> is: (RPMT 2010)

The product formed as a result of reaction of CH3MgBr and CO2, on further hydrolysis gives (RPMT 2010)

CH3COOH when reacts with C2H5OH give a product. The same product is obtained by which reaction. (MHCET 2010)

Which acid is present in vinegar? (MP PMT 2010)

Oxalic acid on heating with conc. H2SO4 gives (AFMC 2010)

In the following reaction, Conc. H SO H O C H OH CH COOH CH COOC H -> C2H5OH acts as (AFMC 2009)

When propionic acid is treated with aqueous sodium bicarbonate, CO2 is liberated. The ‘C’ of CO2 comes from (Manipal 2009)

The acidic nature of carboxylic acids RCOOH RCOO H -> is due to (Manipal 2009)

Identify ‘Z’ in the following sequence of reactions. NH P O CH COOH X Y Z -> -> -> (CPMT 2009)

The correct set of reagents for the following conversion is: (AIIMS 2009)

Here, the compound X can be (AFMC 2009)

Propionic acid with Br2/P yields a dibromo product the structure would be (CBSE AIPMT 2009)

Ethyl acetate is obtained when methyl magnesium bromide reacts with (Manipal 2008)

Acid hydrolysis of which of the following compounds yields two different organic compounds? (AIIMS 2008)

The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of (CBSE AIPMT 2008)

Waxes are esters of (KCET 2008)

Carboxylic acids readily dissolve in aqueous sodium bircarbonate, liberating carbon dioxide. Which one of the following is correct? (Manipal 2008)