What will be the IUPAC names of the following compound ?
1. 2,4,6-Trinitrobenzoic acid
2. 1,3,5-Trinitrobenzoic acid
3. 2-oxo-1,3,5-dinitrobenzene
4. None of the above
Cannizzaro’s reaction is not given by:
1. | 2. | ||
3. | HCHO | 4. | CH3CHO |
The compound below is treated with a concentrated aqueous KOH solution. The products obtained are:
1. | |
2. | |
3. | |
4. |
What is the most suitable reagent for the below mentioned conversion?
1. Tollens' reagent
2. Benzoyl peroxide
3. and NaOH solution
4. Sn and NaOH solution
Match the common names given in Column I with the IUPAC names given in Column II.
Column l (Common names) |
Column ll (IUPAC names) |
A. Cinnamaldehyde | 1. Pentanal |
B. Acetophenone | 2. Prop-2-enal |
C. Valeraldehyde | 3. 1-phenylethanone |
D. Acrolein | 4. 3-Phenylprop-2-en-al |
Codes
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 1 | 2 |
Match the acids given in Column I with their correct IUPAC names given in Column II and mark the appropriate option:
Column l (Acids) |
Column ll (IUPAC names) |
A. Phthalic acid | 1. Hexane-1,6-dioic acid |
B. Glutaric acid | 2. Benzene-1,2-dicarboxylic acid |
C. Succinic acid | 3. Pentane-1,5-dioic acid |
D. Adipic acid | 4. Butane-1,4-dioic acid |
Codes
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 2 | 1 |
Match the reactions given in Column I with the suitable reagents given in Column II.
Column l (Reactions) |
Column ll (Reagents) |
A. Benzophenone → Diphenylmethane | 1. LiAlH4 |
B. Benzaldehyde → 1-Phenylethanol | 2. DlBAL-H |
C. Cyclohexanone → Cyclohexanol | 3. Zn(Hg)/Conc.HCl |
D. Phenyl benzoate → Benzaldehyde | 4. CH3MgBr |
Codes
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 4 | 1 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 2 | 1 |
Match the example in Column I with the name of the reaction in Column II.
Column l (Example) |
Column ll (Reaction) |
A. | 1. Friedel-Crafts acylation |
B. | 2. HVZ reaction |
C. \(\small{2 \mathrm{CH}_{3} \mathrm{CHO} \stackrel{\mathrm{NaOH}}{\longrightarrow} \mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CHCHO}}\) | 3. Aldol condensation |
D. | 4. Rosenmund Reaction |
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 4 | 2 |
3. | 3 | 4 | 1 | 2 |
4. | 4 | 1 | 3 | 2 |
Select the correct option based on statements below:
Assertion (A): | Compounds containing —CHO group are easily oxidised to corresponding carboxylic acids. |
Reason (R): | Carboxylic acids can be reduced to alcohol by treatment with LiAlH4. |
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. |
Select the correct option based on statements below:
Assertion (A): | The α -hydrogen atom in carbonyl compounds is less acidic. |
Reason (R): | The anion formed after the loss of the α -hydrogen atom is resonance stabilized. |
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. |