Respuesta :
Explanation:
Empirical formula is defined as the formula in which atoms in a compound are present in simplest whole number ratios.
For the given options:
- Option a: Acetic acid
Acetic acid having molecular formula [tex]C_2H_4O_2[/tex]. To write the empirical formula, we divide each subscript by 2.
[tex]C_{2/2}H_{4/2}O_{2/2}=CH_2O[/tex]
Hence, the empirical formula for acetic acid is [tex]CH_2O[/tex]
- Option b: Citric acid
Citric acid having molecular formula [tex]C_6H_8O_7[/tex]. To write the empirical formula, we divide each subscript by 1.
[tex]C_{6/1}H_{8/1}O_{7/1}=C_6H_8O_7[/tex]
Hence, the empirical formula for citric acid is [tex]C_6H_8O_7[/tex]
- Option c: Hydrazine
Hydrazine having molecular formula [tex]N_2H_4[/tex]. To write the empirical formula, we divide each subscript by 2.
[tex]N_{2/2}H_{4/2}=NH_2[/tex]
Hence, the empirical formula for hydrazine is [tex]NH_2[/tex]
- Option d: Nicotine
Nicotine having molecular formula [tex]C_{10}H_{14}N_2[/tex]. To write the empirical formula, we divide each subscript by 2.
[tex]C_{10/2}H_{14/2}N_{2/1}=C_5H_7N[/tex]
Hence, the empirical formula for nicotine is [tex]C_5H_7N[/tex]
- Option e: Butane
Butane having molecular formula [tex]C_{4}H_{10}[/tex]. To write the empirical formula, we divide each subscript by 2.
[tex]C_{4/2}H_{10/2}=C_2H_5[/tex]
Hence, the empirical formula for butane is [tex]C_2H_5[/tex]
