The major product of the following reaction is-
1.
2.
3.
4.
1-2-dichloro ethane + NaSCH2CH2SNa P (C4H8S2)
Unknown product (p) of the above reaction is:
1.
2.
3.
4.
Which of the following alkyl halides has the maximum density?
1. | \(\mathrm{C}_3 \mathrm{H}_7 \mathrm{I} \) | 2. | \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{I} \) |
3. | \(\mathrm{CH}_3 \mathrm{I} \) | 4. | \(\mathrm{CH}_3 \mathrm{Br}\) |
Grignard reagent shows addition on:
1. >C=O 2. -CN
3. >C=S 4. all of these
1. | They show H-bonding. | 2. | They are soluble in water. |
3. | They are soluble in organic solvents. | 4. | They do not contain any polar bond. |
Sodium ethoxide reacts with ethyl iodide to yield:
1. CH3CH3 2. C2H5OCH3
3. C2H5OC2H5 4. none of these
The set of reagents used to produce freon (CCl2F2) are:
1. | C + F2 + Cl2 → |
2. | CH3Cl + F2 → |
3. | \(CCl_4 + HF \ \xrightarrow[]{SbCl_5} \) |
4. | CCl4 + F2 → |
What causes an alkyl iodide to darken on standing?
1. Hydrolysis
2. Conversion into ether
3. Liberation of iodine
4. Formation of alkanes
In the following sequences of reactions;
CH3CH2CH2I →KOH(alc.)(A)→Br2(B)→NaNH2/NH3(C) the end product (C) is:
1. alkene
2. alkanol
3. alkyne
4. alkyl amine