The theoretical yield is, when % yield and actual yied are 55% and 24g respectively:
A. 40g
B. 43.6g
C. 45g
D. 41.4g
Chemistry MCQs
The one mole of _____molecule has the highest number of atoms?
A. H2SO4
B. HClO4
C. O3
D. H2C2O4
The number of moles are present in 9.5g of CS2?
A. 1.5
B. 0.25
C. 0.125
D. None of These
In Periods from Left to right Electronegativity will: _________?
A. increase
B. decrease
C. constant
D. none of these
The reaction of C2H5OH with conc. H2SO4 does not give_________?
A. Ethene
B. Diethyl ether
C. Acetylene
D. Ethyl hydrogen sulphate
Methyl alcohol on oxidation with acidified K2Cr2O7 gives__________?
A. CH3COOH
B. CH3CHO
C. HCOOH
D. CH3COCH3
Identify the Lucas reagent among the following
A. Conc. HCl & Anhydrous ZnCl2
B. Dil. HCl & hydrated ZnCl2
C. Conc. HNO3 & Anhydrous ZnCl2
D. Conc. HNO3 & Anhydrous MgCl2
Alcohols of lower Molecular weight are _______________?
A. More Soluble in water
B. Insoluble in water
C. Soluble in water on heating
D. Insoluble in all solvents
On reduction with LiAlH4 ,Ketone gives__________?
A. Primary Alcohol
B. Secondary Alcohol
C. Tertiary alcohol
D. None of These
An alcohol produced during the formation of a soap process.
A. Butanol
B. Ethylene glycol
C. Ethanol
D. Glycerol
