Search
.Management Sciences
Category: Chemistry Mcqs
In order to mention the boiling point of water at 110°C the external pressure should be ?
A. Between 760 torr and 1200 torr
B. Between 200 torr and 760 torr
C. 765 torr
D. any value of pressure
Alkyl halides are considered to be very reactive compounds towards nucleophile because_________________?
A. they have an electrophilic carbon
B. they have an electrophilic carbon & a good leaving group
C. they have an electrophilic carbon & a bad leaving group
D. they have a nucleophilic carbon & a good leaving group
The formula of palmitic acid_________________?
A. C15H31COOH
B. C13H27COOH
C. C17H33COOH
D. C17H35COOH
Estimation of amounts of different components in a sample is________________?
A. Quantitative analysis
B. Qualitative analysis
C. Stochiometery
D. Physical chemistry
Sum of exponents of molar concentration is called___________________?
A. Order of reaction
B. Molecularity
C. Rate of reaction
D. Average of reaction
Which compound form benzoic acid on oxidation with acidified KMnO4 or K2Cr2O7 ?
A. Toluene
B. Ethyl benzene
C. n-propyl benzene
D. All
Which of the following statements is incorrect about halogens ?
A. All are non-metals
B. All the halogens have electronic conviguration ns2p5
C. They have high electron attinity and ionization energy
D. All the halogens react with noble gases to form their halides
Enzymes from the same organism which catalyze same reaction but are chemically and physically distinct from each other are called______________?
A. Oxidoreductases
B. Hydrolases
C. Isoenzymes
D. Isomerases
Amorphous substances posses_________________?
A. No definite geometry
B. No definite heat of fusion
C. No sharp melting points
D. All of the above
Recent Comments