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(A) : Teflon has high thermal stability ...

(A) : Teflon has high thermal stability and chemical inertness
(R) : Teflon is a thermoplastic

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

(A) is false but (R) is true

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Passage - I : A yellow powder 'x' is burnt in a steam of Fluorine to obtain a colourless gas 'y' which is thermally stable and chemically inert its molecule has octahedral geometry another colourless gas 'z' with same constituent atoms as that of 'y' is obtained when sulphur dichloride is heated with sodium fluoride. It's molecule has trigonal bi-pyramidal geometry The yellow powder 'x' is

    A
    `Fe_(2)Cr_(2)O_(7)`
    B
    `FeCl_(3)`
    C
    `K_(2)CrO_(4)`
    D
    S

  • Passage - I : A yellow powder 'x' is burnt in a steam of Fluorine to obtain a colourless gas 'y' which is thermally stable and chemically inert its molecule has octahedral geometry another colourless gas 'z' with same constituent atoms as that of 'y' is obtained when sulphur dichloride is heated with sodium fluoride. It's molecule has trigonal bi-pyramidal geometry The colourless gas 'y' is

    A
    `SF_(4)`
    B
    `SF_(6)`
    C
    NaF
    D
    `S_(2)F_(2)`

  • Passage - I : A yellow powder 'x' is burnt in a steam of Fluorine to obtain a colourless gas 'y' which is thermally stable and chemically inert its molecule has octahedral geometry another colourless gas 'z' with same constituent atoms as that of 'y' is obtained when sulphur dichloride is heated with sodium fluoride. It's molecule has trigonal bi-pyramidal geometry The colourless gas 'z' is

    A
    `SF_(4)`
    B
    `SF_(6)`
    C
    `S_(4)F_(4)`
    D
    NaF

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    The heavier members of 13 and 14 groups besides the group oxidation state also show another oxidation state which is two unit less than the group OS. Down the group decreasing, the stability state of higher OS increasing , and that of lower OS increasing. The concept which is commonly called inert pair effect has been used to explain many physical and chemical properties of the element of these groups. Which among the following is the strongest oxidising agent ?

    The heavier members of 13 and 14 groups besides the group oxidation state also show another oxidation state which is two unit less than the group OS. Down the group decreasing, the stability state of higher OS increasing , and that of lower OS increasing. The concept which is commonly called inert pair effect has been used to explain many physical and chemical properties of the element of these groups. Which among the following is the strongest reducing agent ?

    The heavier members of 13 and 14 groups besides the group oxidation state also show another oxidation state which is two unit less than the group OS. Down the group decreasing, the stability state of higher OS increasing , and that of lower OS increasing. The concept which is commonly called inert pair effect has been used to explain many physical and chemical properties of the element of these groups. Heavier members of group 13 exhibit oxidation state.

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