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Q. No.Given below are two statements:
Statement I:
Benzoic acid produces effervescence on treatment with aq. \(\mathrm{NaHCO}_3\)
Statement II:
The effervescence is due to the release of hydrogen gas.
In the light of the above statements, choose the not appropriate answer from the options give below:
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: ย Carboxylic Acids: Preparation & Properties |
ย 63%
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Subtopic: ย Name Reaction |
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Match List-I with List-II
Choose the correct answer from the options given below:
1. A-II, B-III, C-I, D-IV
2. A-IV, B-III, C-I, D-II
3. A-I, B-III, C-IV, D-II
4. A-II, B-I, C-III, D-IV
| List-I (Reagent) |
List-II (Name of the reaction) |
||
| A. | \(\mathrm{H}_2, \mathrm{Nd}-\mathrm{Ba}S \mathrm{O}_4\) | I. | Gattermann-koch reaction |
| B. | \(\mathrm{(i) \; \mathrm{CrO}_2 \mathrm{Cl}_2, \mathrm{CS}_2\\ (ii) \mathrm{H}_2 \mathrm{C}}\) | II. | Reimer-Tiemann reaction |
| C. | \(\mathrm{CO, HCl, Anhyd.~\\ \mathrm{AlCl}_3 / \mathrm{CuCl}}\) | III. | Etard reaction |
| D. | \(\mathrm{CHCl}_3, \mathrm{NaOH}\) | IV. | Rosenmund reduction |
1. A-II, B-III, C-I, D-IV
2. A-IV, B-III, C-I, D-II
3. A-I, B-III, C-IV, D-II
4. A-II, B-I, C-III, D-IV
Subtopic: ย Aldehydes & Ketones: Preparation & Properties |
ย 88%
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Subtopic: ย Aldehydes & Ketones: Preparation & Properties |
ย 70%
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Fehling solution 'A' is:
1. alkaline copper sulphate
2. alkaline solution of sodium potassium tartrate (Rochelle's salt)
3. aqueous sodium citrate
4. aqueous copper sulphate
1. alkaline copper sulphate
2. alkaline solution of sodium potassium tartrate (Rochelle's salt)
3. aqueous sodium citrate
4. aqueous copper sulphate
Subtopic: ย Aldehydes & Ketones: Preparation & Properties |
ย 55%
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Match List I with List II.
Choose the correct answer from the options given below :
1. \(\text { A-III, B-I, C-II, D-IV }\)
2. \(\text { A-IV, B-I, C-II, D-III }\)
3. \(\text { A-I, B-IV, C-II, D-III }\)
4. \(\text { A-IV,B-I, C-III, D-II }\)
| List I (Reaction) |
List II (Reagents/ Condition) |
A.  |
I.  |
B. |
II.\(\mathrm{CrO}_3\) |
C.  |
III.\(\begin{aligned} & \mathrm{KMnO}_4 \\ & \mathrm{KOH}, \Delta \end{aligned}\) |
D.  |
IV. \(\mathrm{(i) \mathrm{O}_3\\ (ii) \mathrm{Zn}-\mathrm{H}_2 \mathrm{O}}\) |
Choose the correct answer from the options given below :
1. \(\text { A-III, B-I, C-II, D-IV }\)
2. \(\text { A-IV, B-I, C-II, D-III }\)
3. \(\text { A-I, B-IV, C-II, D-III }\)
4. \(\text { A-IV,B-I, C-III, D-II }\)
Subtopic: ย Aldehydes & Ketones: Preparation & Properties |ย Carboxylic Acids: Preparation & Properties |
ย 75%
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Select the incorrect reaction among the following:
| 1. | \(\mathrm{CH}_3 \mathrm{COCl} \xrightarrow[\Delta]{\mathrm{H}_2 \mathrm{O}} \mathrm{CH}_3 \mathrm{COOH}\) |
| 2. |  |
| 3. | \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{\oplus}]{\text { (i) } \mathrm{KMnO}_{4}/\mathrm{OH^{-} }} \mathrm{CH}_3 \mathrm{COOH}\) |
| 4. | \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{OH} \xrightarrow{\mathrm{CrO}_3-\mathrm{H}_2 \mathrm{SO}_4} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}\) |
Subtopic: ย Acid Derivatives - Preparation, Properties & Uses |
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Subtopic: ย Name Reaction |
ย 75%
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Mark the name of the reaction associated with the following conversion
1. Stephen reaction
2. Gattermann-Koch reaction
3. Etard reaction
4. Rosenmund reaction
1. Stephen reaction
2. Gattermann-Koch reaction
3. Etard reaction
4. Rosenmund reaction
Subtopic: ย Name Reaction |
ย 85%
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Consider the given reaction:
\(\mathrm{CH}_3 \mathrm{COCH}_3 \stackrel{\mathrm{dil.~Ba}\left(\mathrm{OH)}_2\right.}{\longrightarrow} \text { " } \mathrm{X} "\)
The functional groups present in the compound "X" are:
1. Ketone and double bond
2. Double bond and aldehyde
3. Alcohol and aldehyde
4. Alcohol and ketone
\(\mathrm{CH}_3 \mathrm{COCH}_3 \stackrel{\mathrm{dil.~Ba}\left(\mathrm{OH)}_2\right.}{\longrightarrow} \text { " } \mathrm{X} "\)
The functional groups present in the compound "X" are:
1. Ketone and double bond
2. Double bond and aldehyde
3. Alcohol and aldehyde
4. Alcohol and ketone
Subtopic: ย Name Reaction |
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