2,4-DNP test can be used to identify:
1. Amine
2. Aldehyde
3. Ether
4. Halogens
Identify A in the following chemical reaction
1.
2.
3.
4.
The major product of the following chemical reaction is :
\( \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN} \xrightarrow[\text { (3) } \mathrm{Pd} / \mathrm{BaSO}_4, \mathrm{H}_2]{\text { (1) } \mathrm{H}_3 \mathrm{O}^{+},\Delta ~~(2) \mathrm{SOCl}_2} ?\)
1. | CH3CH2CH3 | 2. | CH3CH2CH2OH |
3. | (CH3CH2CO)2O | 4. | CH3CH2CHO |
Consider the following chemical reaction,
The number of sp2 hybridized carbon atom(s) present in the product is:
1. 6
2. 7
3. 8
4. 5
In the given transformation, which of the following is the most appropriate reagent ?
1. Zn – Hg/HCl
2. Na, Liq. NH3
3. NaBH4
4.
In the given reaction,
the product C is -
1. Acetylene
2. Acetamide
3. Ethanamine
4. Ethanol
In the following sequence of reactions,
Toluene \(\xrightarrow[]{KMnO_{4}}\) A \(\xrightarrow[]{SOCl_{2}}\) B \(\xrightarrow[BaSO_{4}]{H_{2}/Pd}\) C
The product C is:
1. | \(\text {C}_6 \text {H}_5 \text {COOH}\) | 2. | \(\text {C}_6 \text {H}_5 \text {CH}_3\) |
3. | \(\text {C}_6 \text {H}_5 \text {CH}_2 \text {OH}\) | 4. | \(\text {C}_6 \text {H}_5 \text {CHO}\) |
The compound formed as a result of oxidation of propyl benzene by KMnO4 is –
1. benzophenone
2. acetophenone
3. benzoic acid
4. benzyl alcohol
B reacts with hydroxylamine but does not give Tollen's test. A and B are respectively:
1. 1,1-Dichlorobutane and 2-Butanone
2. 2,2-Dichlorobutane and Butanal
3. 1,1-Dichlorobutane and Butanal
4. 2,2-Dichlorobutane and 2-butanone