1. Which of the following substances is a strong electrolyte? A) CH:OH 2. Which

Question

1. Which of the following substances is a strong electrolyte? A) CH:OH 2. Which of the following substances is a strong electrolyte? 3. Which of the following substances is a nonelectrolyte? A) KMnO B) CH:CH-OH C) NaOH D) K SO4 E) Na O 4. Which of the following substances is a nonelectrolyte? A) Na2SO4 B) CH:OH C) KOH D) LINO E) RbCl 5. What ions, atoms, or molecules (in addition to the water molecules) are present after HNO3() mixes with water? A) HNO:() B) HNO:(ag C) H'(ag) +NOs (ag) D) H(aq) +NOs(ag E) H(ag)+ N(ag)+30(aq) 6. Which of the diagrams in the figure best represents an aqueous solution of MgCl2? A) I B) IIC) III D) either I or III E) none of these 7. Which of the following should be most soluble in hexane, CoHi4? A) NaCI B) NaNO; C) H2O D) CH:OH E) Br 8. Which of the following should be most soluble in ethanol, CH CH OH?

Explanation / Answer

1)

liCl is a compound of a metal and a non metal

So, it will be a strong electrolyte

Answer: D

2)

KOH is a compound of a metal (K) and a non metal(O)

So, it will be a strong electrolyte

Answer: C

3)

CH3CH2OH do not electrolyse when put in water

So, this is a non electrolyte

Answer: B

4)

CH3OH do not electrolyse when put in water

So, this is a non electrolyte

Answer: B

only 4 parts at a time

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