Statement I: \(HCOOH\) is more acidic than \(C_6H_5COOH.\)
Statement II: \(CH_3COOH\) is less acidic than \(C_6H_5COOH.\)
 
1. Statement I is correct and Statement II is incorrect.
2. Statement I is incorrect and Statement II is incorrect.
3. Statement I is correct and Statement II is correct.
4. Statement I is incorrect and Statement II is correct.

Subtopic:  Acidic & Basic Character |
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Which of the following statements are correct?
(i) Delocalization of \(\sigma\)-electrons is called hyperconjugation.
(ii) Delocalization of \(\pi\)-electrons is known as resonance.
(iii) Permanent partial displacement of \(\sigma\)-electrons is referred to as inductive effect.

1. (i) & (iii) 2. (ii) & (iii)
3. (i) & (ii) 4. (i), (ii) and (iii)
Subtopic:  Electron Displacement Effects |
 65%
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Assertion (A): To detect presence of halogens in an organic compound,
some dilute nitric acid is added.
Reason (R): Dilute HNO3 destroys Na2S and NaCN by oxidation 

1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Qualitative Analysis of Organic Compounds |
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Assertion (A):  Both C6H14 and C5H12  can exhibit chain isomerism.
Reason(R):

Both C6H14 and C5H12 form three chain isomers each.

 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Structural Isomers |
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Statement I: A mixture of chloroform and aniline can be separated by simple distillation.
Statement II: When separating aniline from a mixture of aniline and water by steam distillation aniline boils below its boiling point. 

The correct option is:

1. Statement I is false but Statement II is true.
2. Both Statement I and Statement II are false.
3. Statement I is true but Statement II is false.
4. Both Statement I and Statement II are true.
Subtopic:  Purification of Organic Compounds |
 68%
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Match the following:

Test/Method Reagent
(i) Lucas Test (a) C6H5SO2Cl/aq.KOH
(ii) Dumas method (b) HNO3/AgNO3
(iii) Kjeldahl's method (c) CuO/CO2
(iv) Hinsberg Test (d) Conc.HClandZnCl2
(e) H2SO4

1. (i)-(d). (ii)-(c), (iii)-(e), (iv)-(a)

2. (i)-(b), (ii)-(d), (iii)-(e), (iv)-(a)

3. (i)-(d), (ii)-(c), (iii)-(b), (iv)-(e)

4. (i)-(b), (ii)-(a), (iii)-(c), (iv)-(d)

Subtopic:  Quantitative Analysis of Organic Compounds |
 83%
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Match Column-I with Column-II.
Column-I
(Molecules)
COLUMN-II
(Nature of molecule) 
a. (CH3)3N: i. Electrophile
b. \(H_3C-\overset{+}{C}=O\) ii. Nucleophile
c. \(\overset{+}{N}O_2\)
d. H2N:-
   
a b c d
1. ii ii ii i
2. ii ii ii ii
3. ii i i ii
4. ii i ii ii
Subtopic:  Nucleophile & Electrophile |
 86%
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Match the items in column I with the items in column II:

Column I
(IUPAC Name)
Column II
(Structure of compound)
a.  o-Ethylanisole i. 
b.  p-Nitroaniline ii. 
c.  2,3 - Dibromo -1 - phenyl pentane iii. 
d.  4-Ethyl-1-fluoro-2-nitrobenzene iv. 
The correct option is:
1. a = ii; b = iv; c = i; d = iii
2. a = ii; b = i; c = iv; d = iii
3. a = iv; b = i; c = ii; d = iii
4. a = ii; b = iii; c = iv; d = i
Subtopic:  Nomenclature |
 93%
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Match the structures given in column I with the corresponding IUPAC names given in column II and choose the correct option.

Column I Column II
A. i. Pent-4-en-2-ol
B. ii.  Cyclohex-2-en-1-ol
C. iii. 6-Hydroxy-heptanal
D. iv. 2-Chlorohexane
E. v. 3- Nitrocyclohexene

1. A = iii; B = iv; C = v; D = ii; E = i
2. A = iii; B = iv; C = ii; D = v; E = i
3. A = iv; B = i; C = v; D = iii; E = ii
4. A = iv; B = i; C = ii; D = v; E = iii

Subtopic:  Nomenclature |
 93%
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Match the item in column I with the column II

Column I Column II
a. i.
b. ii.
c. iii.
d. iv.

Choose the correct answer from the options given below:
1. a-ii; b-iv; c-i; d-iii
2. a-iii; b-iv; c-ii; d-i
3. a-iv; b-iii; c-i; d-ii
4. a-i; b-iv; c-ii; d-iii

Subtopic:  Nomenclature |
 93%
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