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Test Index
Class 12 NEET Chemistry Alcohols, Phenols And Ethers
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Question : 8
Total: 75
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.
H
C
l
+
Z
n
C
l
2
, 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 most appropriate answer from the options given below:
[NEET-2022]
Both Statement I and Statement II are correct
Both Statement I and Statement II are incorrect
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Validate
Solution:
👈: Video Solution
Primary, secondary and tertiary alcohols can be differentiated by their reaction with
-
3
∘
alcohol
Z
n
C
l
2
+
H
C
l
─
─
─
─
─
─
─
─
▶
Immediate turbidity at room temperature
-
2
∘
alcohol
Z
n
C
l
2
+
H
C
l
─
─
─
─
─
─
─
─
▶
Turbidity after 5 minutes at room temperature
-
1
∘
alcohol
Z
n
C
l
2
+
H
C
l
─
─
─
─
─
─
─
─
▶
Do not gives turbidity at room temperature
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