1
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Statement I : Sodium hydride can be used as an oxidising agent.

Statement II : The lone pair of electrons on nitrogen in pyridine makes it basic.

Choose the CORRECT answer from the options given below :
A
Statement I is false but statement II is true
B
Both statement I and statement II are true
C
Statement I is true but statement II is false
D
Both statement I and statement II are false
2
JEE Main 2021 (Online) 16th March Evening Shift
Numerical
+4
-1
Change Language
[Ti(H2O)6]3+ absorbs light of wavelength 498 nm during a d $$-$$ d transition. The octahedral splitting energy for the above complex is ____________ $$\times$$ 10$$-$$19 J. (Round off to the Nearest Integer). h = 6.626 $$\times$$ 10$$-$$34 Js; c = 3 $$\times$$ 108 ms$$-$$1
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3
JEE Main 2021 (Online) 16th March Evening Shift
Numerical
+4
-1
Change Language
A 5.0 m mol dm$$-$$3 aqueous solution of KCl has a conductance of 0.55 mS when measured in a cell of cell constant 1.3 cm$$-$$1. The molar conductivity of this solution is ___________ mSm2 mol$$-$$1. (Round off to the Nearest Integer).
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4
JEE Main 2021 (Online) 16th March Evening Shift
Numerical
+4
-1
Change Language
At 25$$^\circ$$C, 50 g of iron reacts with HCl to form FeCl2. The evolved hydrogen gas expands against a constant pressure of 1 bar. The work done by the gas during this expansion is _________ J. (Round off to the Nearest Integer).

[Given : R = 8.314 J mol$$-$$1 K$$-$$1. Assume, hydrogen is an ideal gas] [Atomic mass of Fe is 55.85 u]
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