Coordination number of Na+ in NaCI is
A. 1
B. 4
C. 2
D. 6
Correct Answer: D. 6
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A. 1
B. 4
C. 2
D. 6
A. CuSO4.5H2O
B. Na2B4O7.10H2O
C. ZnSO4.7H2O
D. BaSO4.4H2O
A. diamond
B. NaCI
C. KBr
D. CdS
A. hydrogen bonding
B. organic nature
C. dipole-dipole forces
D. molecular size
A. SiO2
B. Graphite
C. S8
D. Diamond
A. hydrogen bonding
B. irregular shape of the molecules
C. irregular shape of the molecules and strong intermolecular forces
D. greater molecular size
A. petrol molecules do not have any hydrogen bond
B. petrol is an organic compound
C. water molecules have small size
D. petrol molecules have greater size