each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Micelles are formed by surfactant molecules above the critical micelle concentartion (CMC). STATEMENT-2: The conductivity of a solution having surfactant molecules decrease sharply at the CMC.
A
if both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT - 1
B
If both the statement are STATEMENT -2 is NOT the correct explanation of STATEMENT -1
Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration (CMC) . Reason(R): The conductivity of a solution having surfactant molecules decreases sharply at the CMC .
each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: The conversion of fresh precipitate to colloidal state is called peptization. STATEMENT-2: It is caused by addition of common ions.
each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Gold sol is multimolecular and hydrophotic in nature. STATEMENT-2: Gold sol is prepared by Bredig's arc method.
each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Soap and detergent are macro-molecular colloids. STATEMENT-2: Soap and dtergent are molecules of large size.
each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: A catalyst is more effective in finely divided form. STATENENT-2: Finely divided form has more surface area.
each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Lyophilic colloids are called as reversible sols. STATEMENT-2: Lyophilic sols are extensively hydrated.
NARENDRA AWASTHI-SURFACE CHEMISTRY-Level 3 - Assertion - Reason Type Questions
