Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is____________________?
Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is____________________?
A. 2
B. 6
C. 4
D. 8
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CO2 is gas while SiO2 is solid at room temperature?
CO2 is gas while SiO2 is solid at room temperature?A. carbon is non-metal while silicon is semi-metal
B. CO2 is an independent molecule while SiO2 has network covalent structure
C. CO2 forms multiple bond while silicon does not form multiple bonds
D. Silicon has all sigma bondsWhich one of the following has polar covalent bond ?
Which one of the following has polar covalent bond ?A. HF
B. CH4
C. H2
D. N2The mechanism by which the genetic information can be duplicated is called_________________?
The mechanism by which the genetic information can be duplicated is called_________________?A. Duplication
B. Transcription
C. Replication
D. MutationAt constant temperature the pressure of an ideal gas is doubled its density becomes_______________?
At constant temperature the pressure of an ideal gas is doubled its density becomes_______________?A. Half
B. Double
C. Same
D. NoneA theoretical link between quantum mechanics and thermodynamics is_________?
A theoretical link between quantum mechanics and thermodynamics is_________?A. Electrchemistry
B. Matrix mechanics
C. Statistical thermodynamics
D. Soectroscopic analysis50% inversion of configuration of molecules take place in a___________________?
50% inversion of configuration of molecules take place in a___________________?A. E1 – reaction
B. E2 – reaction
C. SN1 – reaction
D. SN2 – reaction