1
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct order for acidity of the following hydroxyl compound is :

A. $$\mathrm{CH}_{3} \mathrm{OH}$$

B. $$\left(\mathrm{CH}_{3}\right)_{3} \mathrm{COH}$$

C. JEE Main 2023 (Online) 10th April Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 17 English 1

D. JEE Main 2023 (Online) 10th April Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 17 English 2

E. JEE Main 2023 (Online) 10th April Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 17 English 3

Choose the correct answer from the options given below:

A
E > C > D > A > B
B
D > E > C > A > B
C
E > D > C > B > A
D
C > E > D > B > A
2
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The delicate balance of $$\mathrm{CO}_{2}$$ and $$\mathrm{O}_{2}$$ is NOT disturbed by :

A
Burning of Coal
B
Burning of petroleum
C
Respiration
D
Deforestation
3
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Incorrect method of preparation for alcohols from the following is:

A
Hydroboration-oxidation of alkene.
B
Reaction of Ketone with $$\mathrm{RMgBr}$$ followed by hydrolysis.
C
Ozonolysis of alkene.
D
Reaction of alkyl halide with aqueous $$\mathrm{NaOH}$$.
4
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

List - I
Complex
List - II
Crystal Field splitting energy ($$\Delta_0$$)
A. $${[Ti{({H_2}O)_6}]^{2 + }}$$ I. $$-1.2$$
B. $${[V{({H_2}O)_6}]^{2 + }}$$ II. $$-0.6$$
C. $${[Mn{({H_2}O)_6}]^{3 + }}$$ III. 0
D. $${[Fe{({H_2}O)_6}]^{3 + }}$$ IV. $$-0.8$$

Choose the correct answer from the options given below:

A
A-IV, B-I, C-II, D-III
B
A-II, B-IV, C-III, D-I
C
A-II, B-IV, C-I, D-III
D
A-IV, B-I, C-III, D-II
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