Question

Which of following reagents is used for precipitating DNA:
Select one:
a. Isopropanol
b. None of these
c. Both ethanol and isoproponol
d. Ethanol

Answer 1

Answer:

C . both ethanol and isopropanol

Answer 2

$\red{ \huge{ \mathfrak{ \underline{Both \: Ethanol \: Isoproponol}}}}$

Ethanol is an organic chemical compound. It is a simple alcohol with the chemical formula C ₂H ₆O. Its formula can be also written as CH ₃−CH ₂−OH or C ₂H ₅OH, and is often abbreviated as EtOH. Ethanol is a volatile, flammable, colorless liquid with a slight characteristic odor.

Formula: C2H5OH

Boiling point: 78.37 °C

Molar mass: 46.07 g/mol

IUPAC ID: ethanol

Density: 789 kg/m³

Isopropyl alcohol is a colorless, flammable chemical compound with a strong odor. As an isopropyl group linked to a hydroxyl group, it is the simplest example of a secondary alcohol, where the alcohol carbon atom is attached to two other carbon atoms. It is a structural isomer of 1-propanol and ethyl methyl ether.

Formula: C3H8O

Boiling point: 82.5 °C

Density: 786 kg/m³

IUPAC ID: isopropyl alcohol

Molar mass: 60.1 g/mol

Melting point: -89 °C

Hope this helps you mate✌