1
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

For the reaction $$2 \mathrm{~A} \rightleftharpoons \mathrm{B}+\mathrm{C}, \mathrm{K}_{\mathrm{c}}=4 \times 10^{-3}$$. At a given time, the composition of reaction mixture is: $$[A]=[B]=[C]=2 \times 10^{-3} \mathrm{M} \text {. }$$ Then, which of the following is correct?

A
Reaction is at equilibrium.
B
Reaction has a tendency to go in forward direction.
C
Reaction has a tendency to go in backward direction.
D
Reaction has gone to completion in forward direction.
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

The pair of lanthanoid ions which are diamagnetic is

A
$$\mathrm{Ce}^{4+}$$ and $$\mathrm{Yb}^{2+}$$
B
$$\mathrm{Ce}^{3+}$$ and $$\mathrm{Eu}^{2+}$$
C
$$\mathrm{Gd}^{3+}$$ and $$\mathrm{Eu}^{3+}$$
D
$$\mathrm{Pm}^{3+}$$ and $$\mathrm{Sm}^{3+}$$
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ is a homoleptic complex whereas $$[\mathrm{Co}(\mathrm{NH}_3)_4 \mathrm{Cl}_2]^{+}$$ is a heteroleptic complex.

Statement II : Complex $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ has only one kind of ligands but $$[\mathrm{Co}(\mathrm{NH}_3)_4 \mathrm{Cl}_2]^{+}$$ has more than one kind of ligands.

In the light of the above statements, choose the correct answer from the options given below.

A
Both Statement I and Statement II are true
B
Both Statement I and Statement II are false
C
Statement I is true but Statement II is false
D
Statement I is false but Statement II is true
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solution for 100 seconds is (Given : Molar mass of $$\mathrm{Cu}: 63 \mathrm{~g} \mathrm{~mol}^{-1}, 1 \mathrm{~F}=96487 \mathrm{C}$$)

A
3.15 g
B
0.315 g
C
31.5 g
D
0.0315 g
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