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Select the correct statement about silic...

Select the correct statement about silicates ?

A

Cyclic silicate having three Si atoms contain six `Si-O-Si `linkages

B

`2(1)/(2)` over oxygen atoms per tetrahedron unit are shared in double chain silicate

C

`(Si_(2)O_(5))_(n)^(2n-)` is formula of double chain silicate

D

`SiO_(4)^(4-)` units polymerise to form silicate because Si atom has less tendency to form `pi` - bond with oxygen

Text Solution

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The correct Answer is:
B, D
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Knowledge Check

  • Select the incorrect statement about silicate's :-

    A
    Beryl an example of cyclic silicate
    B
    In Pyrosilicate, only one oxygen atom shared
    C
    Formula of single chain silicate is `(Si_(2) O_(5) )_(n)^(-2n)`
    D
    In single chain silicate two oxygen atom are shared

  • Incorrect statements about silicates ?

    A
    Sorosilicate has `(Si_(2)O_(7))^(6-)` unit
    B
    Spodumene is a silicate ore of lithium has `(Si_(2)O_(5))^(n)^(2n-)`
    C
    Amphiboles contain OH groups bonded to silicate ion
    D
    Three oxygen atoms of `SiO_(4)^(4-)` tetrahedral units are shared in cylic silcates.

  • Select the correct statement about alkanes.

    A
    They are polar in nature
    B
    They are soluble in nature
    C
    They are non-combustible
    D
    Their dipole moment in zero

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