- 1(current)
Q. No.What is the most probable molecular formula for this compound?
1. \(\text{C}_2\text{H}_4 \)
2. \(\text{C}_6\text{H}_{12}\)
3. \(\text{C}_4\text{H}_{2}\)
4. \(\text{CH}_{12}\)
The molecular formula of a compound with an empirical formula of CH₂O and a molecular mass of 180 g is:
1.
2.
3.
4.
1. \(CH_3CHO\)
2. \(CH_3COOH\)
3. \(CH_3OH\)
4. \(C_2H_6\)
1. \(1:6\)
2. \(2:3\)
3. \(6:1\)
4. \(3:2 \)
A compound is composed of carbon, hydrogen, and oxygen. The percentage composition by mass is 40% carbon and 6.67% hydrogen, with the remaining percentage being oxygen. Determine the empirical formula of the compound:
1.
2.
3.
4.
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| 1. | \( \text{CH}\) | 2. | \(\text{CH}_2\) |
| 3. | \(\text{CH}_4\) | 4. | \(\text{C}_2\text{H}_8\) |
An organic compound consists of carbon, hydrogen, and nitrogen. Upon elemental analysis, it is found to contain 40% carbon, 13.3% hydrogen, and 46.67% nitrogen by mass. Determine the empirical formula of the compound.
1. CHN
2. C2H2N
3. CH4N
4. C2H7N
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| 1. | \(\mathrm{CH_3CHO}\) |
| 2. | \(\mathrm{HO-CH_2-CH_2-OH}\) |
| 3. | \(\mathrm{COOH\\ ~|\\ COOH}\) |
| 4. | \(\mathrm{CH_3COOH}\) |
- 1(current)
Q. No.
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