MCQ
$Si_3O_9^{-6}$  (having three tetrahedral) is represented as
  • A


  • C

  • D

Answer

Correct option: B.

b
$(Si_3O_9^{-6})$  means cyclic silicate.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

In which of the following arrangements the order is $NOT$ according to the property indicated against it ?
The equilibrium $2 Cu ^{\prime} \rightleftharpoons Cu ^{\circ}+ Cu ^{\prime \prime}$ in aqueous medium at $25^{\circ} C$ shifts towards the left in the presence of

$(A)$ $NO _3^{-}$ $(B)$ $Cl ^{-}$ $(C)$ $SCN ^{-}$ $(D)$ $CN ^{-}$

On complete combustion, $0.492\,g$ of an organic compound gave $0.792\,g$ of $CO _2$.The $\%$ of carbon in the organic compound is $..................$ (Nearest integer)
For an ideal gas, consider only $P - V$ work in going from an initial state $X$ to the final stat $Z$. The final state $Z$ can be reached by either of the two paths shown in the figure. Which of the following choice$(s)$ is (are) correct? [take $\Delta S$ as change in entropy and w as work done].

$(A)$ $\Delta S _{ x \rightarrow z}=\Delta S _{ x \rightarrow y}+\Delta S _{ y \rightarrow z}$

$(B)$ $w_{x \rightarrow z}=w_{x \rightarrow y}+w_{y \rightarrow z}$

$(C)$ $w_{x \rightarrow z \rightarrow z}=w_{x \rightarrow y}$

$(D)$ $\Delta S _{x \rightarrow y \rightarrow z}=\Delta S _{x \rightarrow y}$

Quartz is extensively used as a piezoelectric material, it contains $.........$
Which of the following elements will have the lowest first ionisation energy
Choose the reaction in which $\Delta H$ is not equal to $\Delta U$ ?
Which of the following trend is correct regarding reactivity of alkali metal oxides?
A salt $MX$ has $K_{sp} = 4 × 10^{-10}$ . What value of $K_{sp}$ must another salt $MX_3$ have if the molar solubility of the two salts is to be identical 
In a sigma bond