SINDH MDCAT 2019 ( PART 7) 1. The colour of transition metal complexes is due to: Refraction phenomenon Loss of s-electrons Paramagnetic nature of transition elements d-d transition of electrons 2. Determine the significant figures in 0.0085 1 3 2 4 3. Orbitals having same energy are called: Sub-orbitals Degenerate orbitals Hybrid orbitals Valence orbitals 4. Write the chemical name of the given structure: 3-ethyl-1,4-hexadiyne 3-ethyl-2,5-hexachyne 4-ethyl-2,5-hexadiyne 3-ethyl-1,4-hexadiene 5. Copper (Cu, Z=29) is a: d7 system with respect to electronic configuration d3 system with respect to electronic configuration d1 system with respect to electronic configuration d10 system with respect to electronic configuration 6. The carbon number of gasoline is: C5 -C6 C5 -C10 C12 -C15 C6 -C7 7. The oxidation number of Br in Br2 0 -1 +1 -2 8. The number of moles of CO2 which contain 8.0 g of oxygen Is: 1.0 0.50 0.25 0.75 9. Hydrogen bonds are represented by: Dative bonds Full bond Dotted bonds Partial charges 10. Effusion of gases take place through a hole with: Slit like dimensions Hole dimensions Molecular dimensions Infinite dimensions Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
