Assertion: Teflon has high thermal stability and chemical inertness.
Reason: Teflon is a thermoplastic.

If both assertion and reason are true and the reason is the correct explanation of the assertion.

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If both assertion and reason are true but reason is not the correct explanation of the assertion.

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If the assertion and reason both are false.

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If assertion is false but reason is true.

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Solution

The correct option is B If both assertion and reason are true but reason is not the correct explanation of the assertion.
Due to the presence of strong C–F bonds teflon has high thermal stability and chemical inertness.
And it is true that it is a thermoplastic. It changes shape on heating and retains the shape. It cannot be reshaped on further heating.
So, it is true that it is chemically inert but not because it is a thermoplastic.

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Similar questions

Read the assertion and reason carefully to mark the correct option out of the options given below :

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(d) If the assertion and reason both are false.

(e) If assertion is false but reason is true.

Assertion: Acetic acid does not undergo haloform reaction.

Reason: Acetic acid has no alpha hydrogens.

\to τ = \to r \times \to F b u t \to τ \neq \to F \times \to r .

Assertion : Salts like $K C l, K N O_{3}$ i.e., inert electrolytes are used in salt bridge.

Reason : An inert electrolyte can easily be filled in the U-tube.

Assertion : Salts like $K C l, K N O_{3}$ i.e., inert electrolytes are used in salt bridge.

Reason : An inert electrolyte can easily be filled in the U-tube.

Reason : Work function $h f_{0}$ where $f_{0}$ is the threshold frequency.

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