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Q 1. Which of the following statements regarding ethanoic acid and methyl methanoate are correct?
I. They are functional group isomers with molecular formula {tex} \mathrm { C } _ { 2 } \mathrm { H } _ { 4 } \mathrm { O } _ { 2 } {/tex}.
II. They belong to same homologous series.
III. They have different chemical properties.
I and II
I and III
II and III
I, II and III
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Q 2. How many structural isomers are possible for compounds containing {tex} \mathrm { C } , \mathrm { H } {/tex} and {tex} \mathrm { O } {/tex} atoms only with their molar masses 100 as well as the isomers are simultaneously ketones?
3
4
5
6
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Q 3. How many structural isomer are possible with the molecular formula {tex} \mathrm { C } _ { 8 } \mathrm { H } _ { 10 } {/tex}
3
4
5
6
Double bond equivalent =
there is either 4 double bond or 1 ring- 3 double bond possible or 2 double bond, 2 ring or 2 triple bond etc
This is the compound having 4 double bond equivalent
Thus 5 structural isomers are possible.
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Q 4. How many different secondary halide names can be assigned to the compounds with molecular formula {tex} \mathrm { C } _ { 5 } \mathrm { H } _ { 11 } \mathrm { Cl } {/tex} (excluding stereoisomers)?
3
4
5
7
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Q 5. Which of the following compounds will not show geometrical isomerism?
3-Phenyl-2-propenoic acid
2 -Butene
3-Methyl-2-butenoic acid
3-Methyl-2-pentenoic acid
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Q 6. Which of the following will have zero dipole moment?
cis-1, 2-Dichloroethene
trans-1, 2-Dichloroethene
{tex}trans{/tex}-1, 2-Dichloropropene
2-Pentyne
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Q 7. Which of the following compounds exhibits stereioisomerism?
2-Mehylbutene
3-Methylbutyne
3-Methylbutanoic acid
2-Methylbutanoic acid
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Q 8.
Enantiomer
Diastereomer
Identical
Structural isomer
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Q 9. How many amide isomers are possible for {tex} \mathrm { C } _ { \mathrm { 4 } } \mathrm { H } _ { \mathrm { 9 } } \mathrm { ON } ? {/tex}
4
5
6
8
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Q 10. Order of stability of enol content:
{tex} a > b > c {/tex}
{tex} b > a > c {/tex}
{tex} b > c > a {/tex}
{tex} a > c > b {/tex}
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Q 11. The correct order of the substituent in each of the following set in order of priority according to CIP rule
{tex} - \mathrm { Cl } > - \mathrm { OH } > - \mathrm { SH } > \mathrm { H } {/tex}
{tex} - \mathrm { CH } _ { 2 } - \mathrm { Br } > - \mathrm { CH } _ { 2 } - \mathrm { Cl } > - \mathrm { CH } _ { 2 } - \mathrm { OH } > - \mathrm { CH } _ { 3 } {/tex}
{tex} - \mathrm { CH } = \mathrm { O } > - \mathrm { OH } > - \mathrm { CH } _ { 3 } > - \mathrm { H } {/tex}
{tex} - \mathrm { OCH } _ { 3 } > - \mathrm { N } \left( \mathrm { CH } _ { 3 } \right) _ { 2 } > - \mathrm { CH } _ { 3 } > - \mathrm { CD } _ { 3 } {/tex}
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Q 12. Consider the following compounds,
The correct {tex} E / Z {/tex} configurational notations for the compounds I to II are respectively-
{tex} \mathrm { Z } , \mathrm { Z } {/tex}
{tex} \mathrm { E } , \mathrm { Z } {/tex}
{tex} Z ,E {/tex}
{tex} \mathrm { E } , \mathrm { E } {/tex}
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Q 13. Calculate the number of stereoisomerism for
2
4
8
6
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Q 14. The number of stereoisomers possible for the compound is-
2
4
6
8
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Q 15. 
a and {tex} b {/tex} are stereoismers sum of {tex} ( a + b = ? ) {/tex}
4
6
8
12
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Q 16. How many different isomer can be given to bromodichlorobenzene?
3
4
6
7
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Q 17. Which of following compound will not show geometrical isomerism?
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Q 18. Which of the following compound is chiral?
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Q 19. Which two of the following compounds are identical?
I & II
II & IV
III & IV
I & III
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Q 20. How many different structural isomers exist for {tex} \mathrm { C } _ { 5 } \mathrm { H } _ { 8 } {/tex} that have only {tex} \mathrm { sp } ^ { 3 } {/tex} -hybridised carbon atoms?
3
4
5
7
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Q 21. Which of following reagents does not give isobutane when reacted with isobutyl magnesium bromide?
{tex} \mathrm { PhOCH } _ { 3 } {/tex}
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Q 22. Methane as well as ethane can be obtained in one step (in two separate reactions) from
{tex} \mathrm { CH } _ { 3 } \mathrm { OH } {/tex}
{tex} \mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { OH } {/tex}
{tex} \mathrm { CH } _ { 3 } \mathrm { I } {/tex}
{tex} \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { I } {/tex}
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Q 23. An alkane of molecular weight 86 gives on mono-chlorination two product. The alkane is
2-Methylbutane
n-butane
2, 2-Dimethyl propane
2, 3-Dimethyl butane
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Q 24. Which of the following alkanes will give a single product with a methylene insertion?
{tex} \mathrm { Me } _ { 4 } \mathrm { C } {/tex}
{tex} \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 3 } {/tex}
{tex} \mathrm { Me } _ { 2 } \mathrm { CHCHMe } _ { 2 } {/tex}
{tex} \mathrm { MeCH } _ { 2 } \mathrm { C } ( \mathrm { Me } ) _ { 2 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 3 } {/tex}
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Q 25. 
monochloro structural isomers for compound {tex}C_5H_{10}{/tex} how many pairs of geometrical isomers are possible?
1
2
3
None
