First organic compound synthesized in laboratory was _________________?
A. tartaric acid
B. ethyl alcohol
C. methanol
D. urea
Submitted by :- Jamil Ahmed
CHEMISTRY
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The first organic compound was synthesized in laboratory by_________________?
A. Wohler
B. Kolbe
C. Berzilius
D. Berthelot
Submitted by :- Jamil Ahmed
Pentane and 2-methyl butane have the same_______________?
A. Boiling point
B. Melting point
C. Percentage composition
D. Structural formula
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Octane number 2 2 4-trimethyl pentane is________________?
A. 100
B. 90
C. 80
D. 70
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C5H12 has the number of isomers ___________________?
A. one
B. two
C. three
D. four
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The general formula of cycloalkene is __________________?
A. CnH2n
B. CnH2n+2
C. CnH2n-1
D. CnH2n-2
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In cyano group the carbon atom shows which kind of hybridization___________________?
A. sp2
B. sp
C. sp3
D. none of the above
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In sp3 hybridization the expected geometry of molecules will be__________________?
A. square planar
B. trigonal pyramidal
C. tetrahedral
D. linear
Submitted by :- Jamil Ahmed
2-propanol and 1-propanol show the isomerism________________?
A. metamerism
B. functional group isomerism
C. geometric isomerism
D. position isomerism
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A single atom or group of atoms which gives characteristic properties to a compound is called_________________?
A. radical
B. hydrocarbon
C. functional group
D. ion
Submitted by :- Jamil Ahmed