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. |
(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) |
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. |
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. |
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. |
Match the following:
Test/Method | Reagent | ||
(i) | Lucas Test | (a) | |
(ii) | Dumas method | (b) | |
(iii) | Kjeldahl's method | (c) | |
(iv) | Hinsberg Test | (d) | |
(e) |
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)
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 |
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. | ![]() |
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
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