1
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 47 English
The given reaction can occur in the presence of :

(a) Bromine water

(b) Br2 in CS2, 273 K

(c) Br2/FeBr3

(d) Br2 in CHCl3, 273 K

Choose the correct answer from the options gien below :
A
(b) and (d) only
B
(a) and (c) only
C
(b), (c) and (d) only
D
(a), (b) and (d) only
2
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which of the following compounds will provide a tertiary alcohol or reaction with excess of CH3MgBr followed by hydrolysis?
A
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 48 English Option 1
B
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 48 English Option 2
C
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 48 English Option 3
D
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 48 English Option 4
3
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
An organic compound A (C6H6O) gives dark green colouration with ferric chloride. On treatment with CHCl3 and KOH, followed by acidification gives compound B. Compound B can also be obtained from compound C on reaction with pyridinium chlorochromate (PCC). Identify A, B and C.
A
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 49 English Option 1
B
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 49 English Option 2
C
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 49 English Option 3
D
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 49 English Option 4
4
JEE Main 2021 (Online) 18th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Reaction of Grignard reagent, C2H5MgBr with C8H8O followed by hydrolysis gives compound "A" which reacts instantly with Lucas reagent to give compound B, C10H13Cl. The Compound B is :
A
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 51 English Option 1
B
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 51 English Option 2
C
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 51 English Option 3
D
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 51 English Option 4
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