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

The highest number of helium atoms is in

A
$$4 \mathrm{~mol}$$ of helium
B
$$\mathrm{4 u}$$ of helium
C
$$4 \mathrm{~g}$$ of helium
D
$$2.271098 \mathrm{~L}$$ of helium at STP
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Among Group 16 elements, which one does NOT show -2 oxidation state?

A
O
B
$$\mathrm{Se}$$
C
$$\mathrm{Te}$$
D
Po
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

The $$\mathrm{E}^{\circ}$$ value for the $$\mathrm{Mn}^{3+} / \mathrm{Mn}^{2+}$$ couple is more positive than that of $$\mathrm{Cr}^{3+} / \mathrm{Cr}^{2+}$$ or $$\mathrm{Fe}^{3+} / \mathrm{Fe}^{2+}$$ due to change of

A
$$d^5$$ to $$d^4$$ configuration
B
$$d^5$$ to $$d^2$$ configuration
C
$$d^4$$ to $$d^5$$ configuration
D
$$d^3$$ to $$d^5$$ configuration
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

The reagents with which glucose does not react to give the corresponding tests/products are

A. Tollen's reagent

B. Schiff's reagent

C. HCN

D. $$\mathrm{NH}_2 \mathrm{OH}$$

E. $$\mathrm{NaHSO}_3$$

Choose the correct options from the given below:

A
B and C
B
A and D
C
B and E
D
E and D
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