Question

Which of the substances below would dissociate into ions when dissolved in water? Select all that apply.
A. AgCl
B. NaBr
C. Pb(OH)2
D. KOH

Answer 1

Answer:

B. NaBr

D. KOH

Explanation:

Below is the solubility rules given for you knowledge.

Salts of

• Group 1 elements are soluble($Li^+, Na^+, K^+,Cs^+, Rb^+$)
• Ammonium ion is soluble ($NH4^+$)
• The nitrate are generally soluble( $NO3^-)$

• of Cl- , Br- , and I- are soluble, except Ag+ , Pb+2, and (Hg2)+2
• most sulfate are soluble, except Ba+2, Ca+2,Pb+2, Ag+, Sr+2.
• most hydroxide salts are only slightly soluble, except NH+4, Li+, Na+, K+
• Most carbonates are insoluble (CO3 2-) Except group 1 and NH+4
• most phosphate are insoluble except group 1 and NH+4  

so using the rules above

NaBr , KOH are soluble, Pb(OH)2 is slightly soluble and AgCl is not soluble.

Answer 2

Answer:hope this helps had to guess these are the correct answers =)