In B2H6
(1) there is direct boron-boron bond
(2) the structure is similar to that of C2H6
(3) the boron atoms are linked through hydrogen bridges
(4) all the atoms are in one plane
From the B2H6 all the following can be prepared except:
(1) H3BO3
(2) [BH2(NH3)2]+ [BH4]-
(3) B2(CH3)6
(4) NaBH4
Name the type of the structure of silicate in which one oxygen atom of [SiO4]4- is
shared?
1. Sheet silicate
2. Pyrosilicate
3. three dimensional silicate
4. Linear chain silicate
In which of the following silicates, only two corners per tetrahedron are shared?
(i) Pyro silicate (ii) Cyclic silicate
(iii) Double chain silicate (iv) Single chain silicate
(v) 3D silicate (vi) Sheet silicate
Options are as follows :
(1) (i), (ii), and (v)
(2) (iv) and (vi) only
(3) (i) and (vi) only
(4) (ii) and (iv) only