MCQ
Silicate having one monovalent comer oxygen atom in each tetrahedron unit is
- ✓sheet silicate
- Bcyclic silicate
- Csingle chain silicate
- Ddouble chain silicate
✓
Answer
Correct option: A.
sheet silicate
a
The general formula of Sheet or Phyllo silicates is $\left( Si _2 O _5\right) n ^{2 n-}$. Each $SiO _4$ tetrahedron shares three oxygen atoms with others and thus by forming twodimensional sheets. These silicates can be cleaved easily just like graphite.
The general formula of Sheet or Phyllo silicates is $\left( Si _2 O _5\right) n ^{2 n-}$. Each $SiO _4$ tetrahedron shares three oxygen atoms with others and thus by forming twodimensional sheets. These silicates can be cleaved easily just like graphite.
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→Match List$-l$ with List$-ll$ :
→| List$-I$ (Oxoacids of Sulphur) | List$-II$ (Bonds) |
| $A$. Peroxodisulphuric acid | $I$. Two $S - OH$, Four $S = O$, One $S - O - S$ |
| $B$. Sulphuric acid | $II$. Two $S - OH$, One $S = O$ |
| $C$. Pyrosulphuric acid | $III$. Two $S - OH$, Four $S = O$, One $S - O - O - S$ |
| $D$. Sulphurous acid | $IV$. Two $S - OH$, Two $S = O$ |
Choose the correct answer from the options given below.
Match the compounds given in List $I$ with their characteristic reactions given in List $II.$ Select the correct option.
→| List $I$ (Compounds) | List $II$ (Reactions) |
| $A.$ $CH_3(CH_2)_3NH_2$ | $(i)$ Alkaline hydrolysis |
| $B.$ $CH_3C\equiv\,\,CH$ | $(ii)$ With KOH (alcohol) and $CHCl_3$ produces bad smell |
| $C.$ $CH_3CH_2COOCH_3$ | $(iii)$ Gives white ppt.with ammoniacal $AgNO_3$ |
| $D.$ $CH_3CH(OH)CH_3$ | $(iv)$ With Lucas reagent cloudiness appears after $5$ minutes |