A piece of sodium metal can be described as

mcq-questions

A piece of Sodium Metal can be Described as

a. A pure substance and a compound.

b. An impure substance that is reactive.

c. An impure substance that is unreactive.

d. A pure substance and an element.

Answer:-d. A pure substance and an element.

Correct option is D)

Sodium metal (Na) respopan style=”font-family: ‘Arial’,’sans-serif’; color: black;”>The right option is;a pure substance and an element. A piece of sodium metal can be defined as a pure substance and an element. Sodium refers to an element in the periodic table of rudiments and is not collective with any other element or found in a multifaceted or a mixture. This refers that sodium is pure sodinds with ethanol (C2 H5 OH) to yield sodium ethoxide (C2 H5 ONa) and hydrogen (H2 ). This is a displacement reaction where the more active sodium displaces hydrogen in ethanol. The equation can be written as:
2Na+2C2 H5 OH→2C2 H5 ONa+H2

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