1
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major aromatic product C in the following reaction sequence will be : JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 102 English
A
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 102 English Option 1
B
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 102 English Option 2
C
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 102 English Option 3
D
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 102 English Option 4
2
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The metal mainly used in devising photoelectric cells is :
A
Na
B
Rb
C
Li
D
Cs
3
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of the following compounds towards HCN addition is : JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 134 English
A
(iii) < (iv) < (ii) < (i)
B
(i) < (iii) < (iv) < (ii)
C
(iii) < (i) < (iv) < (ii)
D
(iii) < (iv) < (i) < (ii)
4
JEE Main 2020 (Online) 2nd September Morning Slot
Numerical
+4
-0
Change Language
The Gibbs change (in J) for the given reaction at
[Cu2+] = [Sn2+] = 1 M and 298K is :

Cu(s) + Sn2+(aq.) $$ \to $$ Cu2+(aq.) + Sn(s);

($$E_{S{n^{2 + }}|Sn}^0 = - 0.16\,V$$,
$$E_{C{u^{2 + }}|Cu}^0 = 0.34\,V$$)
Take F = 96500 C mol–1)
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