BALOCHISTAN MDCAT PAPER 2022 ( PART 8 ) 1. What is the name of CH3-CH2-CH=CH-CH2-CH=CH-CH3 2,3-octadiene 2,4-octadiene 2,5-octadyne 2,5-octadiene 2. Which of the following statement is correct about the Avogadro constant? It is the number of atoms in 12 g of any element It is the mass of 6.023×10^23 atoms of any element It is the mass of one mole of any element It is the number of atoms in one mole of neon. 3. Which of the following will have a meso isomer? 2.3-dichloropentane 2.3-dichlorobutane 2-chlorobutane 1,2-dichlobutane 4. Select the group whose elements easily lose electron. VII A IA VA VI A 5. The reaction of alkyl halide with lithium dialkyl copper produce: Al Alkene Alkyl copper Alkane 6. Which pair of ions have five unpaired d-electrons? Fe+2 and Mn+3 Fe+3 and Mn+2 Fe+3 and Mn+3 Fe+2 and Mn+2 7. If four balloons are filled with different gases, which gas containing balloon will deflate first? Oxygen Helium Hydrogen Nitrogen 8. Which of the following has the least Ionization potential N Zn Li He 9. Which concept was introduced by the scientist Bohr? Sub-m Sub-orbits Orbitals Energy levels 10. Which enzyme Is used for the treatment of blood cancer in children? LDH-1 Thrombin Zymase L-asparaginase Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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