Q. No.In the following reaction:
\(\text {HC} \equiv \text {CH} \xrightarrow [Hg^{2+}] { H_2SO_4} P \)
Product 'P' will not give
1. Tollen's reagent test
2. Fehling's solution
3. Victor Meyer test
4. Iodoform test
The correct order of reactivity of phenyl magnesium bromide (PhMgBr) with the following
compounds will be:
 |
 |
 |
| I | II | III |
1. I > II > III
2. III > II > I
3. II > I > III
4. I > III > II
Match the compounds given in List-I with List-II and select the suitable option from the code given below:
| List-I | List-II |
|
(a) Benzaldehyde |
(i) Phenolphthalein |
|
(b) Phthalic anhydride |
(ii) Benzoin condensation |
|
(c) Phenyl benzoate |
(iii) Oil of wintergreen |
|
(d) Methyl salicylate |
(iv) Fries rearrangement |
Codes:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (iv) | (i) | (iii) | (ii) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (ii) | (iii) | (iv) | (i) |
Match the compounds given in List -I with their characteristic reactions given in List -II. Select the correct option.
| List – I (Compounds) | List – II (Reactions) | ||
| (a) | CH3CH2CH2CH2NH2 | (i) | Alkaline hydrolysis |
| (b) | CH3C≡CH | (ii) | With KOH (alcohol) and CHCl3 produce a bad smell. |
| (c) | CH3CH2COOCH3 | (iii) | Gives white ppt. with ammoniacal AgNO3 |
| (d) | CH3CH(OH)CH3 | (iv) | With Lucas' reagent cloudiness appears after 5 minutes. |
Options :
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (ii) | (i) | (iv) |
| 2. | (ii) | (iii) | (i) | (iv) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (ii) | (i) | (iv) | (iii) |
A yellow precipitate with iodine and alkali is given by:
(i). Methyl acetate
(ii). Acetamide
(iii). 2-Hydroxypropane
(iv). Acetophenone
1. (i), and (ii)
2. (ii), and (iii)
3. (iii), and (iv)
4. (iv), and (i)
Consider the reaction:
What sort of reaction is it?
1. Free radical addition – elimination reaction
2. Electrophilic substitution-elimination reaction
3. Nucleophilic addition – elimination reaction
4. Electrophilic addition – elimination reaction
The self-condensation product of two moles of ethyl acetate in the presence of sodium ethoxide yield is:
1. Ethyl butyrate
2. Acetoacetic ester
3. Methyl acetoacetate
4. Ethyl propionate
The nucleophilic addition reaction will be most favored among the given compounds is:
1.
2.
3.
4.
A carbonyl compound reacts with hydrogen cyanide to form cyanohydrins, which form a racemic mixture of α-hydroxy acid on hydrolysis. The carbonyl compound is:
1. Acetaldehyde
2. Acetone
3. Diethyl ketone
4. Formaldehyde
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