1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Which statement is wrong?
A
Beryl is an example of cyclic silicate.
B
Mg2SiO4 is orthosilicate.
C
Basic structural unit in silicates is the SiO4 tetrahedron.
D
Feldspars are not aluminosilicates.
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Identify the incorrect statement, regarding the molecule XeO4 :
A
XeO4 molecule is square planar.
B
There are four p$$\pi $$ - d$$\pi $$ bonds.
C
There are four sp3 - p, $$\sigma $$ bonds.
D
XeO4 molecule is tetrahedral.
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Which of the following structure is similar to graphite?
A
B4C
B
B2H6
C
BN
D
B
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
The basic structural unit of silicates is
A
SiO32$$-$$
B
SiO$$_4^{2 - }$$
C
SiO$$-$$
D
SiO$$_4^{4 - }$$
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