1
JEE Main 2021 (Online) 24th February Morning Shift
Numerical
+4
-1
Change Language
4.5 g of compound A (MW = 90) was used to make 250 mL of its aqueous solution. The molarity of the solution in M is x $$ \times $$ 10-1.
The value of x is _______. (Rounded off to the nearest integer)
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2
JEE Main 2021 (Online) 24th February Morning Shift
Numerical
+4
-1
Change Language
The reaction of sulphur in alkaline medium is given below:

JEE Main 2021 (Online) 24th February Morning Shift Chemistry - p-Block Elements Question 148 English
The values of 'a' is _______. (Integer answer)
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3
JEE Main 2021 (Online) 24th February Morning Shift
Numerical
+4
-1
Change Language
For the reaction A(g) $$ \to $$ B(g) the value of the equilibrium constant at 300 K and 1 atm is equal to 100.0. The value of $$\Delta $$rG for the reaction at 300 K and 1 atm in J mol-1 is – xR, where x is _______. (Rounded off to the nearest integer)
[R = 8.31 J mol–1K-1 and ln 10 = 2.3)
Your input ____
4
JEE Main 2021 (Online) 24th February Morning Shift
Numerical
+4
-1
Change Language
Gaseous cyclobutene isomerises to butadiene in a first order process which has a 'k' value of 3.3 $$ \times $$ 10-4 s-1 at 153°C. The time in minutes it takes for the isomerization to proceed 40% to completion at this temperature is ______.
(Rounded off to the nearest integer)
Your input ____
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