Chemistry Quiz on Electrical Conductors, Arrhenius Theory and Ostwald’s Dilution Law for IIT JEE, NEET, Medical & Engineering Exam 2021

Chemistry Quiz on Electrical Conductors, Arrhenius Theory and Ostwald’s Dilution Law 

Chemistry Quiz on Electrical Conductors, Arrhenius Theory and Ostwald’s Dilution Law: NEET/JEE Chemistry is considered to be the most scoring subject. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry. In this post we are providing you Chemistry quiz on Electrical Conductors, Arrhenius Theory and Ostwald’s Dilution Law.

Chemistry Quiz on Electrical Conductors, Arrhenius Theory and Ostwald’s Dilution Law

Q1. When temperature increases the conductance of conductors is _______.
a) Increase
b) Decrease
c) First increase and then decrease
d) Remains constant

Q2. Which element is always present in Arrhenius acid ?
a) Hydrogen
b) Nitrogen
c) Oxygen
d) None of the above

Q3. When acids dissolve in water it releases __________.
a) H⁺ ion
b) H^– ion
c) H₃O⁺ ion
d) H₃O₂⁺ ion

Q4. Ostwald’s dilution law is applicable to _________.
a) Non-electrolytes
b) Weak electrolytes only
c) Strong electrolytes only
d) Strong as well as weak electrolytes

Q5. If a conductor length is increased, 100% then keeping all other parameters fixed, what will be the increase in power dissipate?
a) 100%
b) 200%
c) 300%
d) 400%

Q6. According to Ostwald’s dilution law, Which of the following below is correct?
a) α= √kα/C
b) α= √Kα/B
c) α= √Kα/V
d) α= √Kα/U

Q7. In the titration of iodine against hype the indicator used is ___________.
a) Starch
b) Methyl red
c) Methyl orange
d) Potassium ferricyanide

Q8. Semiconductors have electrical conductivity _________.
a) equal to the thermistor
b) less than metals but more than typical insulators
c) more than metals but less than insulators
d) less than thermistor but more than an insulator

Q9. One litre of 0.5M KCl solution is electrolysed for one minute in a current of 16.08 mA. Considering 100% efficiency, the pH of the resulting solution will be ________.
a) 7
b) 8
c) 9
d) 10

Q10. What happens to the conductivity of semiconductors when there is an increase in temperature?
a) Increase
b) Decrease
c) First increase and then decrease
d) Remains constant

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