Given below are two statements. Statement I In Lucas test, …

Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 1 PCB MCQ (Single Correct)

Given below are two statements.

Statement I In Lucas test, primary, secondary and tertiary alcohols are distinguished on the basis of their reactivity with conc. , known as Lucas reagent.

Statement II Primary alcohols are most reactive and immediately produce turbidity at room temperature on reaction with Lucas reagent.

In the light of the above statements, choose the correct answer from the options given below.

Statement I is false but Statement II is true.

Both Statement I and Statement II are true.

Both Statement I and Statement II are false.

Statement I is true but Statement II is false.

Text Solution

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The correct answer is:

Primary, secondary and tertiary alcohols can be differentiated by their reaction with anhy. ) Lucas reagent. In the presence of Lucas reagent alcohol produces immediate turbidity at room temperature alcohol produces turbidity after 5 minutes at room temperature while alcohol do not gives turbidity at room temperature. Hence, Statement I is true while Statement II is false.