1
JEE Main 2021 (Online) 24th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Al2O3 was leached with alkali to get X. The solution of X on passing of gas Y, forms Z. X, Y and Z respectively are :
A
X = Na[Al(OH)4], Y = CO2, Z = Al2O3.xH2O
B
X = Al(OH)3, Y = CO2, Z = Al2O3
C
X = Al(OH)3, Y = SO2, Z = Al2O3.xH2O
D
X = Na[Al(OH)4], Y = SO2, Z = Al2O3
2
JEE Main 2021 (Online) 24th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
'A' and 'B' in the following reactions are :

JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Compounds Containing Nitrogen Question 140 English
A
JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Compounds Containing Nitrogen Question 140 English Option 1
B
JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Compounds Containing Nitrogen Question 140 English Option 2
C
JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Compounds Containing Nitrogen Question 140 English Option 3
D
JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Compounds Containing Nitrogen Question 140 English Option 4
3
JEE Main 2021 (Online) 24th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify products A and B.

JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Hydrocarbons Question 75 English
A
JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Hydrocarbons Question 75 English Option 1
B
JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Hydrocarbons Question 75 English Option 2
C
JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Hydrocarbons Question 75 English Option 3
D
JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Hydrocarbons Question 75 English Option 4
4
JEE Main 2021 (Online) 24th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
In Freundlich adsorption isotherm, slope of AB line is :

JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Surface Chemistry Question 65 English
A
$${1 \over n}$$ with $$\left( {{1 \over n} = 0\,to\,1} \right)$$
B
n with (n, 0.1 to 0.5)
C
$$\log {1 \over n}$$ with $$\left( {n < 1} \right)$$
D
log n with (n > 1)
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