- 1(current)
Q. No.A suitable reagent for the reaction below is:
1. \(BH_3 /THF , \ H_2O_2 /OH^{-} ~then~ PCC \)
2. \(H_3O^+ , then ~PCC \)
3. PCC oxidation
4. \(BH_3/THF , HIO_4 \)
1. \(BH_3 /THF , \ H_2O_2 /OH^{-} ~then~ PCC \)
2. \(H_3O^+ , then ~PCC \)
3. PCC oxidation
4. \(BH_3/THF , HIO_4 \)
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Consider the following compounds:
Which option correctly ranks their boiling points from highest to lowest?
| a. |  |
b. |  |
| c. |  |
d. |  |
Which option correctly ranks their boiling points from highest to lowest?
| 1. | d > a > b > c | 2. | a > b > d >c |
| 3. | a > d > c > b | 4. | a > d > b > c |
Subtopic: Alcohols: Preparation & Properties |
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Consider the following reactions:
Identify the major product(s) (A) and (B) formed in the above reactions.
| (I) | \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}_2 \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{O}_2 / \mathrm{OH}^{-}]{\text {(i) } \mathrm{B}_2 \mathrm{H}_6 / \text { THF }}(A)\) |
| (II) | \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}_2 \xrightarrow{\mathrm{H}^{+} / \mathrm{H}_2 \mathrm{O}}(\mathrm{B})\) |
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Alcohols: Preparation & Properties |
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Complete the following chemical reactions and determine the major products labeled as A and B.
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
Subtopic: Alcohols: Preparation & Properties |
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Match the following compounds in List-I with their corresponding \(\mathrm{pK_a}\) values in List-II:
1. (a)→(i); (b)→(ii); (c)→(iii); (d)→(iv)
2. (a)→(iii); (b)→(iv); (c)→(ii); (d)→(i)
3. (a)→(iv); (b)→(iii); (c)→(ii); (d)→(i)
4. (a)→(iii); (b)→(iv); (c)→(i); (d)→(ii)
| List-I (Compounds) | List-II (\(\mathrm{pK_a}\)) | ||
| (a) | p-Nitrophenol | (i) | 10 |
| (b) | m-Nitrophenol | (ii) | 16 |
| (c) | Ethanol | (iii) | 7.1 |
| (d) | Phenol | (iv) | 8.3 |
1. (a)→(i); (b)→(ii); (c)→(iii); (d)→(iv)
2. (a)→(iii); (b)→(iv); (c)→(ii); (d)→(i)
3. (a)→(iv); (b)→(iii); (c)→(ii); (d)→(i)
4. (a)→(iii); (b)→(iv); (c)→(i); (d)→(ii)
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