If an element R belongs to the same group as sodium, an aqueous solution of ROH will

Assessment: WAEC SSCE - Chemistry - 1997 (Objective) Subject: Chemistry

Question 1 Report

If an element R belongs to the same group as sodium, an aqueous solution of ROH will
Answer Details
If an element R belongs to the same group as sodium, then it is likely to have similar properties as sodium. Sodium hydroxide (NaOH) is an alkali and a base. When a group 1 metal hydroxide dissolves in water, it forms an alkaline solution. Hence, if an aqueous solution of ROH is similar to NaOH, it will also form an alkaline solution. An alkaline solution has a pH greater than 7 and turns red litmus paper blue. Therefore, the correct option is "have pH greater than 7".
Read lesson note on Solubility (JAMB)
Read lesson note on Chemical Combination (JAMB)
Read lesson note on Acids, Bases And Salts (Ghana Only) (WAEC)
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