19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which has maximum value of equilibrium constant ? (a) CH COOH H O CH COO H O -> (b) HCOOH H O HCOO H O -> (c) C H COOH H O C H COO H O -> (d) CF COOH H O CF COO H O ->
Propanoic acid or its sodium salt can be converted into alkanes by reduction with HI/red P or decarboxylation reaction or kolbe’s electrolysis. Which of the following alkanes is not formed in any of these reactions ?
Which is false in case of carboxylic acids?
Among the following the strongest acid is
(a) (b) (c) (d)
Above ester has chiral carbon (*). Alkaline hydrolysis gives an acid salt and an alcohol. Select correct statement about alcohol.
A is (a) (b)
LiAlH H O C H COO CH C H CH OH CH OH ->
In the Hofmann bromamide degradation reaction, the number of moles of NaOH and Br2 used per mole of amine produced are :
Phenol can be distinguished from acetic acid by
Tollen’s reagent in not reduced by
Which one of the following compounds forms a red coloured solution on treatment with neutral FeCl3solution
Formic acid can reduce
Self-condensation of two moles ethyl acetate in presence of sodium ethoxide yields (CBSE AIPMT 2006)
Sodium formate on heating gives (AFMC 2006)
Which of the following represents soap? (AMU 2006)
Acetamide gives on the reaction with HNO2 (MP PMT 2006)
Which reaction is used for the preparation of acetophenone ? (RPMT 2006)
CH3CO2C2H5 on reaction with sodium ethoxide in ethanol gives A, which on heating in the presence of acids gives B. Compound B is (AIIMS 2006)
Oleic, stearic, palmitic acids are (BHU 2007)
The reagent which does not give acid chloride on treating with a carboxylic acid is (AFMC 2007)
Methyl acetate and ethyl acetate can be distinguished by (AIIMS 2007)
Claisen condensation is not given by (CPMT 2007) (a) (b) (c) (d) Ans. (a) Sol. The Claisen reaction is a condensation reaction. Here, a new carbon – carbon bond is formed by a Carboxylic Acid and Its Derivatives react…
Which of the following process will give soap? (Haryana PMT 2007)
Adipic acid on heating form (CPMT 2008) (a) (b) (c) (d) Ans. (a) Sol. Adipic acid is an organic compound with the chemical formula ( ) COOH CH COOH . Upon heating of adipic acid, decarboxylation takes place and we g…