IUPAC name of isobutyl alcohol
2-methylpropan-2-ol
1-methylpropan-2-ol
2-methylpropan-1-ol
1-methylpropan-1-ol
Which of the following acids have the smallest dissociation constant?
CH3CHFCOOH
FCH2CH2COOH
BrCH2CH2COOH
CH3CHBrCOOH
InCH3CH2OH, the bond that undergoes heterolytic cleavage more readily is:
ACD/Labs01030914012D
5 4 0 0 0 0 0 0 0 0 1 V2000
20.1423 -5.1117 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0
20.1423 -4.1502 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0
19.0847 -5.1117 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0
20.1423 -5.9610 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0
20.8794 -5.1117 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0
1 2 1 0 0 0 0
1 3 1 0 0 0 0
1 4 1 0 0 0 0
1 5 1 0 0 0 0
ACD/Labs01030914012D
5 4 0 0 0 0 0 0 0 0 1 V2000
20.1423 -5.1117 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0
20.1423 -4.1502 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0
19.0847 -5.1117 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0
20.1423 -5.9610 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0
20.8794 -5.1117 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0
1 2 1 0 0 0 0
1 3 1 0 0 0 0
1 4 1 0 0 0 0
1 5 1 0 0 0 0
C-C
C-O
O-H
C-H
Which of the following compound will exhibit geometrical isomerism?
i. 1-phenyl-2-butene
ii. 3-phenyl-1-butene
iii. 2-phenyl-1-butene
iv. 1,1-diphenyl-2-propene
m-chlorobromobenzene is an isomer of m-bromochlorobenzene
True
False
Resonance of vinyl chloride................................... its dipole moment?
increases
decreases
does not affect
1. The IUPAC name of compound CH3-CH2-CH2-O-CH2-CH3 is
A.1-ethoxy-3-methoxypropane
B. ethoxypropaneoxymethane
C. 3-ethoxy-1-methoxypropane
D. 2,5-dioxyhexane
2. What is the order of stability for
i. 1-butene ii. Cis-2-butene iii.trans-2-butene
A. iii>i>ii
B. i>ii>iii
C. iii>ii>i
D. ii>i>iii
3. Of five isomeric hexanes, the isomer which can give two monochlorinated compound is
A. n-hexane
B. 2,3-dimethylbutane
C. 2,2-dimethylbutane
D. 2-methylpentane
4. The IUPAC name of compound CH3-CH2-CO-O-CO-CH2-CH3 is
A. propionic anhydride
B. propanoic anhydride
C. dipropionic anhydride
D. ethoxypropionic acid
5. The decreasing order of stability of the following free radical is
i.(CH3)2CH. ii. (CH3)3C., iii.(C6H5)3C. , iv.(C6H5)3CH.
A. iii>i>ii>iv
B. i>ii>iii>iv
C. iv>iii>ii>i
D. ii>i>>iv>iii
6. Nucleophilicity order is correctly represented by
A. CH3->NH2->OH->F-
B. CH3-OH->F-
C. CH3- D CH3->NH2-F-
7. The compound formed in the positive test for nitrogen and Lassaigne’s solution of an organic compound is
A. Fe4[Fe(CN)6]3
B. Na3[Fe(CN)5]
C. Fe(CN)3
D Na4[Fe(CN)5COS]
8. Carbon and hydrogen are estimated by
A. Carius method
B. Duma’s method
C. Liebig’s method
D. Kjeldahl’s method
9. The structural isomers for C6H14 is
A. 3
B. 4
C. 5
D. 6
10. Which of the following compound reacts with HBr obeying Markownikoff’s rule
A. ethene
B. cis-2-butene
C. trans-2-butene
D. 2-methylpropene
11. Distillation is used to separate liquids which differ in their b.p. by
A. 5 oC
B. 10 oC
C. 30-80 oC
D. 100 oC
12. The compound that does not give blue color in Lassaigne’s test
A. Aniline
B. Glycine
C. Hydrazine
D. Urea
14. Nitrogen in an organic compound can be estimated by
A. Kjeldalhl’s method
B. Duma’s method
C. Both
D. None
15. Which of the following is not a nucleophile
A. CN- B. OH- C. NH3 D. BF¬3
A. CN-
B. OH-
C. NH3
D. BF3
16. Hybridization of carbons in allene: CH3-CH=CH=CH2 respectively
A. sp3,sp2,sp2,sp2
B. sp3,sp2,sp,sp2
C. sp3,sp,sp,sp2
D. sp3,sp2,sp2,sp
17. Which of the following have sp2 hybridization
A. C2H6
B. C2H4
C. BeCl2
D. C2H2
18. n-propyl alcohol and isopropyl alcohol are examples of
A. position isomers
B. chain isomers
C. Tautomers
D. geometrical isomers
19. Correct order of –I effect
A. -NR2<-OR<-F
B. -NR2>-OR>-F
C. -NR2<-F< -OR
D. -OR<-F <-NR2
21. Highest b.p. is expected for
A. n-butane
B. iso-octane
C. 2,2,3,3-tetramethylbutane
D. n-octane