SAEED MDCAT
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The general formula of alkyl halides is:
Mono halo alkanes (R – X) are called alkyl halide
Mono halo alkanes (R – X) are called alkyl halide
The general formula of secondary alkyl halides is:
Mono halo alkanes (R – X) are called alkyl halide. These are classified as primary, secondary and tertiary. All have same general formula. The difference in the position of halo group
Mono halo alkanes (R – X) are called alkyl halide. These are classified as primary, secondary and tertiary. All have same general formula. The difference in the position of halo group
1-Chloro-2,2-dimethylpropane also known as
The IUPAC name of following compound is
2-Bromopentane reacts with Alcoholic KOH to give
The rate of E1 reaction depends upon concentration of
Rate = k [R – X]1 or Rate = k [Substrate]1
Rate = k [R – X]1 or Rate = k [Substrate]1
Which method is useful for the preparation of symmetrical alkane?
Tetraethyl Lead, an anti-knocking reagent can be synthesized by reacting ethyl halide with
Wurtz’s synthesis reaction is particularly useful for the preparation of
The molecularity of elimination reaction followed by alkyl halides is
Which of the following is a nucleophile?
In NH3 Nitrogen have lone pair.
In NH3 Nitrogen have lone pair.
The conversion of ethyl bromide to ethene requires
Elimination is promoted by Alcoholic KOH because in alcoholic medium, OH- becomes strongly basic
Elimination is promoted by Alcoholic KOH because in alcoholic medium, OH- becomes strongly basic
(CH3)2CHCH2Br on reaction with KOH in alcoholic medium forms an alkene through ____________ in non-polar solvent.
Alkyl halides give alkenes on elimination reaction. (CH3)2CHCH2Br is primary alky halide which follows E2 mechanism
Alkyl halides give alkenes on elimination reaction. (CH3)2CHCH2Br is primary alky halide which follows E2 mechanism
The attack of base on hydrogen of alkyl halide promotes
Attack of base on β-Hydrogen facilitates elimination reaction no matter by E1 mechanism or E2 mechanisms
Attack of base on β-Hydrogen facilitates elimination reaction no matter by E1 mechanism or E2 mechanisms
SN1 reaction can best be carried out with
Which of the following can produce ketone:
Y reacts with an other molecule of Y in the presence of dil.NaOH, Z is formed. If the compound Z is 3-Hydroxybutanal then what is Y?
Acetaldehyde when treated with “HCN” and followed by acidic hydrolysis gives
Cannizzaro’s reaction is not given by
The least reactive carbonyl compound towards nucleophilic addition reactions is
An α-Hydroxy acid with empirical formula CH2O and molecular mass 90 has its IUPAC name
a-hydroxy means 2-hydroxy propanoic acid (IUPAC name)
a-hydroxy means 2-hydroxy propanoic acid (IUPAC name)
Which of the following show no reactivity with hydrazine
Alcohols do not react
Alcohols do not react
Which of the following is correct name of CH3 – CH = CH – CH2OH
Which alcohol will form three hydrogen bond in water
Because glycerol have 3-hydroxyl group
Because glycerol have 3-hydroxyl group
All of the following belong to alcohol class except
CH3C6H4OH is a derivative of phenol which is separate class of organic compound.
CH3C6H4OH is a derivative of phenol which is separate class of organic compound.
The concentration of ethanol obtained by fermentation is
Above this limit enzymes become inactive
Above this limit enzymes become inactive
Which enzyme is used to convert sucrose into glucose and fructose
Methanol is also known as
Which enzyme is used to convert sucrose into glucose and fructose
Enzyme maltase helps the hydrolysis of
Which of the following has highest boiling point
Boiling point increases with the increase in carbon atom.
Boiling point increases with the increase in carbon atom.
Aldehyde are prepared by the oxidation of
Aldehyde are prepared by the oxidation of primary alcoholsCH3—CH2—OH + [O] CH3CHO+H2O
Aldehyde are prepared by the oxidation of primary alcoholsCH3—CH2—OH + [O] CH3CHO+H2O
In ethyl alcohol, the bond that undergoes hetrolytic cleavage most readily, when reacts with NaOH
It is an example of electrophilic substitution reaction.
It is an example of electrophilic substitution reaction.
Which alcohol is most reactive towards sodium metal
It is an example of electrophilic substitution reaction in which primary alcohols are most reactive.Ter. > Sec > Pri
It is an example of electrophilic substitution reaction in which primary alcohols are most reactive.Ter. > Sec > Pri
How many isomers of C4H9OH are secondary alcohols?
C4H9OH has four isomers in which 2-Butanol is secondary alcohol.
C4H9OH has four isomers in which 2-Butanol is secondary alcohol.
Which of the following is least acidic
Phenol reacts with alkaline acetyl chloride to form
C6H5OH reacts with alkalies to form
Sodium phenoxide salt is formd.
Sodium phenoxide salt is formd.
Phenol is
The compound used as disinfectants in hospitals and washrooms:
Which of the following tests are given by both aldehyde and ketones?
Aldehydes show reduction with NaHSO3 + Fehling's + Benedict + Tollen's test + 2,4-DNPH Ketones only react withi) Nitroprusideii) 2,4-DNPHiii) With NaHSO3
Aldehydes show reduction with NaHSO3 + Fehling's + Benedict + Tollen's test + 2,4-DNPH Ketones only react withi) Nitroprusideii) 2,4-DNPHiii) With NaHSO3
Ammonical silver nitrate solution is
Tollen's reagent is ammonical silver nitrate solution.
Tollen's reagent is ammonical silver nitrate solution.
An alkaline solution of cupric tartrate complex ion is called
Alkaline solution of cupric tartarate is Fehling's solution.Alkaline solution cupric citrate is Benedict's solution.
Alkaline solution of cupric tartarate is Fehling's solution.Alkaline solution cupric citrate is Benedict's solution.
Which of the following is the oxidizing agent?
These above mentioned compound weak oxidizing agent.
These above mentioned compound weak oxidizing agent.
Which of the following statements is incorrect about ethanal and propanone
Propanone give swine red or orange color with sodium nitoprusside while ethanal does not give wine red or orange color with sodium nitroprusside.
Propanone give swine red or orange color with sodium nitoprusside while ethanal does not give wine red or orange color with sodium nitroprusside.
Consider the following reactionR-CHO + 2[Ag (NH3)2] OH RCOONH4 + 2Ag + 2NH3 + H2OThis reaction represents which of the following tests
Tollen's test(silver mirror test)AgNO3+3NH4OH → [Ag(NH3)2]OH + NH4NO3+H2OR-CHO+2[Ag(NH3)2]OH → R-COONH4 + 2Ag + 2NH3 + H2O
Tollen's test(silver mirror test)AgNO3+3NH4OH → [Ag(NH3)2]OH + NH4NO3+H2OR-CHO+2[Ag(NH3)2]OH → R-COONH4 + 2Ag + 2NH3 + H2O
The complex formed in Tollen’s reagent is
[Ag(NH3)2]OH is formed in Tollen's reagent test.
[Ag(NH3)2]OH is formed in Tollen's reagent test.
One of the following is identification test of carbonyl compounds
Carbonyl compounds gives while ppt's on reaction with 2,4-DNPH
Carbonyl compounds gives while ppt's on reaction with 2,4-DNPH
The structure and hybridization of carbonyl carbon in alkanal and alkanone is
Acetophenone is also called
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