JEE Main 2021 Chemistry question

Given below are two statement : Statement-I : Retardation factor () can be measured in meter/ centimeter. Statement –II value of a compound remains constant in all solvents. Choose the most appropriate answer from the options given below :

• (A)Statement –I is true but statement-II is falseCorrect
• (B)Both statement –I and statement-II are true
• (C)Both statement -I and statement-II are false
• (D)Statement-I is false but statement-II is true