Organic Fundamentals Online Test

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 acids have the smallest dissociation constant?
CH3CHFCOOH
FCH2CH2COOH
BrCH2CH2COOH
CH3CHBrCOOH
IUPAC name of isobutyl alcohol
2-methylpropan-2-ol
1-methylpropan-2-ol
2-methylpropan-1-ol
1-methylpropan-1-ol
Resonance of vinyl chloride................................... its dipole moment?
increases
decreases
does not affect
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
17. Which of the following have sp2 hybridization
A. C2H6
B. C2H4
C. BeCl2
D. C2H2
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
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
14. Nitrogen in an organic compound can be estimated by
A. Kjeldalhl’s method
B. Duma’s method
C. Both
D. None
12. The compound that does not give blue color in Lassaigne’s test
A. Aniline
B. Glycine
C. Hydrazine
D. Urea
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
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
9. The structural isomers for C6H14 is
A. 3
B. 4
C. 5
D. 6
8. Carbon and hydrogen are estimated by
A. Carius method
B. Duma’s method
C. Liebig’s method
D. Kjeldahl’s method
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]
6. Nucleophilicity order is correctly represented by
A. CH3->NH2->OH->F-
B. CH3-OH->F-
C. CH3- D CH3->NH2-F-
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
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
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
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
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
21. Highest b.p. is expected for
A. n-butane
B. iso-octane
C. 2,2,3,3-tetramethylbutane
D. n-octane
19. Correct order of –I effect
A. -NR2<-OR<-F
B. -NR2>-OR>-F
C. -NR2<-F< -OR
D. -OR<-F <-NR2
18. n-propyl alcohol and isopropyl alcohol are examples of
A. position isomers
B. chain isomers
C. Tautomers
D. geometrical isomers
Description:

This test is created to test your knowledge in organic fundamentals

Discussion

anmol

the test has many problems ...

4091 days 3 hours 18 minutes ago

andy

q.no 1 is wrong!!!!!!

4104 days 8 hours 6 minutes ago

andy

q.no 1 is wrong!!!!!!

4104 days 8 hours 6 minutes ago

ANI

COULD YOU PLEASE EXPLAIN WHAT Q 25 MEANS? THNX

4435 days 23 hours 55 minutes ago

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