Which of the following is an amide________________?
A. R-NH2
B. RCONH2
C. R – NH – R
D. C6H5NH2
Chemistry MCQs
Only sigma bonds are present in__________________?
A. propene
B. butanoic acid
C. butanal
D. ethoxy ethane
The structure of ethyne is_________________?
A. angular
B. trigonal
C. linear
D. trigonal planar
The general formula of cycloalkene is __________________?
A. CnH2n
B. CnH2n+2
C. CnH2n-1
D. CnH2n-2
C5H12 has the number of isomers ___________________?
A. one
B. two
C. three
D. four
Octane number can be improved by________________?
A. Isomerization
B. Adding (C2H5)4 Pb
C. Adding (CH3)4 Pb
D. All
Octane number 2 2 4-trimethyl pentane is________________?
A. 100
B. 90
C. 80
D. 70
Propene can exhibit________________?
A. cis-trans isomerism
B. geometric isomerism
C. both a & b
D. none of the above
Pentane and 2-methyl butance have the same_______________?
A. Boiling point
B. Melting point
C. Percentage composition
D. Structural formula
The first organic compound was synthesized in laboratory by_________________?
A. Wohler
B. Kolbe
C. Berzilius
D. Berthelot
