Octane number is 0 value for ___________?

Related Mcqs:

1. The octane number of zero is assigned to____________?

   A. 2-methyl octane
   B. n-heptane
   C. iso-octane
   D. 3-methyl octane

   Submitted by: Muhammad Ali Kunbhar

2. Octane rating of Gasoline can be increased by __________?

   A. Refining
   B. Cracking
   C. Reforming
   D. None of These

   Submitted by: Aamir khan Hullio

3. The petrol having octane number 80 has ____________?

   A. 20% n- heptane + 80% iso-octane 
   B. 80% n- heptane + 20% iso-octane
   C. 20% n- heptane + 80% n-octane
   D. 80% n-heptane + 20% n- octane

   Submitted by: Aamir khan Hullio

4. An element having low value of ionization energy and low value of electron affinity is likely to belong to__________________?

   A. Group IA
   B. Group IB
   C. Group VIIA
   D. Group VIII

5. The value of e/m ratio of electron is________________?

   A. 6.02 x 1023 C/kg
   B. 1.7588 x 1020 C/kg
   C. 9.1095 x 10-31 C/kg
   D. 1.7588 x 1011 C/kg

6. For a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp ?

   A. Kc is generally greaer than Kp
   B. Kc is generally less than Kp
   C. Kc is generally equal to Kp
   D. Kc is equal to Kp if the total moles of reactants and products are equal

7. In which of the following equilibria will Kc and Kp have the same value ?

   A. PCI5 = PCI3 + Cl2
   B. N2 + 3H2 = 2NH
   C. 2CO + O2 = CO2
   D. N2 + O2 = 2NO

8. When the value of Kc is very small then_______________________?

   A. reaction is at start
   B. product conc. Is maximum
   C. reactant conc. Is minimum
   D. reaction is completed

9. In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be________________?

   A. greater
   B. lesser
   C. sum of reduction and oxidation potentials
   D. none

10. Greater value of standard reduction potential smaller will be tendency______________?

    A. to form positive ions
    B. to form negative ions
    C. gain electrons
    D. all are possible