MCQ
The silicates which contain $Si_2O_7^{-6}$ units are called
- ACyclic silicates
- BChain silicates
- ✓Pyro silicates
- DOrtho silicates
✓
Answer
Correct option: C.
Pyro silicates
c
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The $IE_1$ and $IE_2$ of three elements $A, B$ and $C$ are given as : ( $IE$ in $kJ/mol$ )
→| $A$ | $B$ | $C$ | |
| $IE_1$ | $400$ | $550$ | $1150$ |
| $IE_2$ | $2650$ | $1070$ | $2090$ |
Identify the element which represent a nonmetal.
An organic compound has $C = 60\%$, $H = 13.3\%$ and $O = 26.7\%$. Its empirical formula will be
→The structure of diborane $({B_2}{H_6})$ contains
→The major organic product in the reaction is
→$CH_3 - O - CH(CH_3)_2 + HI \to$ products
Which of the following is not a function of proteins
Which of the following have maximum tendancy for hydrate formation
The stoichiometric reaction of $516 \mathrm{~g}$ of dimethyldichlorosilane with water results in a tetrameric cyclic product $X$ in $75 \%$ yield. The weight (in $g$ ) of $X$ obtained is. . . . . . . [Use, molar mass $\left(\mathrm{g} \mathrm{mol}^{-1}\right): \mathrm{H}=1, \mathrm{C}=12, \mathrm{O}=16, \mathrm{Si}=28, \mathrm{Cl}=35.5$ ]
→What is the radius of Bohr’s fifth orbit for $B^{+4}.$ .................. $\mathop {\rm{A}}\limits^{\rm{o}} $
→Major product is $(A)$ is
→For $OF _2$ molecule consider the following:
→$(A)$ Number of lone pairs on oxygen is 2 .
$(B)$ $FOF$ angle is less than $104.5^{\circ}$.
$(C)$ Oxidation state of $O$ is $-2$.
$(D)$ Molecule is bent ' $V$ ' shaped.
$(E)$ Molecular geometry is linear.
Correct options are: