Chemistry Quiz

1. The volume occupied by a single gas in a mixture at the same temperature and pressure is referred to as the single-gas volume.

• Absolute volume

• Partial volume

• Total volume of a gas mixture

• None of the mentioned

  
  

__________ obeys Raoult’s law in all stages of concentration.

• Ideal Solution

• Non-Ideal solution

• Real Solution

• None of the mentioned

  
  

A solution made up of numerous components in which each component’s property is the weighted sum of its separate properties. The answer is

• Non-Ideal solution

• Non-Ideal solution

  
  

• Real Solution

  
  

• None of the mentioned

  
  

1. The charge required for the reduction of 1 mol of MnO4– to MnO2 is

• 1 F

• 3 F

• 5 F

• 6 F

  
  

1. The reaction, 3ClO– (aq) → ClO3 (aq) + 2Cl– (aq) is an example of

• Oxidation reaction

• Reduction reaction

• Disproportionation reaction

• Decomposition reaction

  
  

1.  If E°Fe2+/Fe = -0.441 V and E°Fe2+/Fe2+ = 0.771 V, the standard EMF of the reaction,

Fe + 2Fe3+ → 3Fe2+ will be

• 1.212 V

• 0.111 V

• 0.330 V

• 1.653 V

  
  

Which among the following is a false statement?

• Rate of zero order reaction is independent of initial concentration of reactant.

• Half life of a third order reaction is inversely proportional to square of initial concentration of the reactant.

• Molecularity of a reaction may be zero or fraction.

• For a first order reaction, t1/2=0.693 / K

  
  

1. Which of the following has magnetic moment value of 5.9?

• Fe2+

• Fe3+

• Ni2+

  
  

• Cu2+

  
  

Which of the following are d-block elements but not regarded as transistion elements?

• Cu, Ag, Au

• Zn, Cd, Hg

• Fe, Co, Ni

  
  

• Ru, Rh, Pd

  
  

Which of the following has the maximum number of unpaired electrons?

• Mg2+

• Ti3+

• V3+

• Mg2+