Which of These Statements About Alkanes Is Not Correct

question 70

Multiple Choice

Which of these statements about alkanes is not correct?

• A)Alkanes are nonpolar.
• B)Alkanes are nonflammable.
• C)Carbon must always form four bonds.
• D)Alkanes have a general formula C_nH_{2n +2}.
• E)There are no carbon to carbon double bonds.

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Definitions:

Plain Bearings

Bearings that operate through sliding motion between the moving surfaces, without rollers or balls, used for simpler mechanisms.

Journal Bearings

Bearings that support a rotating shaft, where the shaft rotates within a lubricated sleeve or shell without rolling elements.

Tensile Strength

The maximum amount of tensile stress that a material can withstand before failure, an essential parameter in material selection and engineering design.

Hardness

A measure of a material's resistance to deformation, often assessed by indentation.