In the Cannizzaro’s reaction given below
the slowest step isthe slowest step is
In the reaction, X is
The correct order of reactivity of >CO group is
Stephen’s reaction is reduction of
Among the following four compounds
(I) Phenol (II) p-Methylphenol
(III) m-Nitrophenol (IV) p-Nitrophenol
The acidity order is
A yellow precipitate is obtained when aqueous AgNO3 is added to a solution of the compound
Iodoform test is not given by
Which of the following aldehydes will not show Cannizzaro reaction ?
Which one of the following would be expected to be most ionised in water ?
The number of stereoisomers of the compound CH3-CH=CH-CHBrCH3 would be
A compound (A) of formula C3H6Cl2 on reaction with alkali can give (B) of formula C3H6O or (C) of formula C3H4 . (B) on oxidation gave a compound of the formula C3H6O2 . (C) with dilute H2SO4 containing Hg2+ ion gave (D) of formula C3H6O ,which with bromine and NaOH gave the sodium salt of C2H4O2 . Then (A) is
The maximum reactivity of (A) will be when X is ....., for the reaction given below
Cyclohexanone is subjected to reduction by NaBH4 . The product formed is
Which of the following has most acidic hydrogen ?
Identify ‘Z’ in the following reaction series,
In the given reaction,
the product ‘X’ is
The correct order of increasing acid strength of the compounds.
I. CH3CO2H II. MeOCH2CO2H
III. CF3CO2H IV.
In the following sequence of reactions
the compound D is
A new C-C bond formation is possible in
CH3COCH3 can be converted to CH3CH2CH3 by the action of
In the given reaction, what is X
Consider the following halides
With aq. HCOOH, in SN1 reaction, the decreasing rate of reaction is
Reaction of trans 2-phenyl-1-bromocyclo-pentane on reaction with alcoholic KOH produces
The reaction of chloroform with alcoholic KOH and p-toluidine forms
The IUPAC name of the compound shown below is
Which of the following has highest boiling point ?
When phenol is treated with bromine/H2O, It gives
Which one among the following is Williamson’s synthesis?
Which reagent is more effective to convert but-2-enal to but-2-enol ?
C2H5OH cannot be dried by anhydrous CaCl2 , because
Addition of HBr to 2-methylpropene in the presence of benzoyl peroxide mainly forms
Which is an optically active compound ?
Which of the following would exhibit Kharasch effect?
Reaction of with RMgX followed with hydrolysis produces
An organic compound C3H6O does not give a precipitate with 2, 4-dinitrophenyl hydrazine reagent and does not react with sodium metal. It could be
Among the given compounds, the correct dehydration order is
In the following reaction product “P” is
Which one of the following will not be stabilised by resonances ?
Isopropyl alcohol on passing overheated copper at 3000C gives
The product in the reaction + HBr is
Which of the following carboxylic acids undergoes decarboxylation easily ?
When phenol is treated with CHCl3 and NaOH, the product formed is
When CH2 = CH-COOH is reduced with LiAlH4 , the compound obtained will be
Which of the following is an example of aldol condensation?