1
JEE Main 2021 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
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-1
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JEE Main 2021 (Online) 27th July Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 109 English
Consider the above reaction, and choose the correct statement :
A
The reaction is not possible in acidic medium
B
Both compounds A and B are formed equally
C
Compound A will be the major product
D
Compound B will be the major product
2
JEE Main 2021 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
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Match List - I with List - II :

List - I
(compound)
List - II
(effect/affected species)
(a) Carbon monoxide (i) Carcinogenic
(b) Sulphur dioxide (ii) Metabolized by pyrus plants
(c) Polychlorinated biphenyls (iii) haemoglobin
(d) Oxides of Nitrogen (iv) Stiffness of flower buds


Choose the correct answer from the options given below :
A
(a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)
B
(a) - (iv), (b) - (i), (c) - (iii), (d) - (ii)
C
(a) - (i), (b) - (ii), (c) - (iii), (d) - (iv)
D
(a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)
3
JEE Main 2021 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
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What is A in the following reaction?

JEE Main 2021 (Online) 27th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 152 English
A
JEE Main 2021 (Online) 27th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 152 English Option 1
B
JEE Main 2021 (Online) 27th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 152 English Option 2
C
JEE Main 2021 (Online) 27th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 152 English Option 3
D
JEE Main 2021 (Online) 27th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 152 English Option 4
4
JEE Main 2021 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
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The correct sequence of correct reagents for the following transformation is :

JEE Main 2021 (Online) 27th July Evening Shift Chemistry - Hydrocarbons Question 94 English
A
(i) Fe, HCl

(ii) Cl2, HCl

(iii) NaNO2, HCl, 0$$^\circ$$C

(iv) H2O/H+
B
(i) Fe, HCl

(ii) NaNO2, HCl, 0$$^\circ$$C

(iii) H2O/H+

(iv) Cl2, FeCl3
C
(i) Cl2, FeCl3

(ii) Fe, HCl

(iii) NaNO2, HCl, 0$$^\circ$$C

(iv) H2O/H+
D
(i) Cl2, FeCl3

(ii) NaNO2, HCl, 0$$^\circ$$C

(iii) Fe, HCl

(iv) H2O/H+

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