Which acid is least reactive to decarboxylation when heated?
1. | 2. | ||
3. | 4. |
When propanoic acid is treated with aqueous sodium bicarbonate, CO2 is liberated. The ‘C’ of CO2 comes from:
1. Carboxylic acid group
2. Methylene group
3. Bicarbonate
4. Methyl group
The major product is
\(\xrightarrow{LiAlH_4}\)
1. | 2. | ||
3. | 4. |
Cyanohydrin of 'X' gives lactic acid on hydrolysis. The compound 'X' will be:
1. Acetone
2. Acetaldehyde
3. Propanal
4. HCHO
In this reaction,
\(CH_{3}CHO \ + \ HCN \ \xrightarrow[]{} \ CH_{3}CH(OH)CN \ \xrightarrow[]{\textbf{H.OH}} \\ CH_{3}CH(OH)COOH\)
an asymmetric compound is generated. The acid obtained would be:
1. 50% D + 50% L-isomer
2. 20% D + 80% L-isomer
3. D-isomer
4. L-isomer
Ethyl ester P.
The product P will be
1. | 2. | ||
3. | 4. |
Compound (A) C5H10O forms a phenyl hydrazone and gives negative Tollen's and iodoform tests. Also, compound (A) on reduction gives n-pentane. Compound (A) is-
1. | A primary alcohol | 2. | An aldehyde |
3. | A ketone | 4. | A secondary alcohol |
What is the chemical reaction of lachrymator or tear gas?
1. C6H5COCl
2. C6H5OC6H5
3. C6H5COCH2Cl
4. C6H5COCH3
A compound that gives two different alcohols on reduction with is:
1.
2.
3.
4.
What is the major organic product formed from the following reaction?
1. | 2. | ||
3. | 4. |