1
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the oxidation state of S in the sulphur containing product of the following reaction?

$$\mathrm{SO}_3^{2-}(a q)+\mathrm{Br}_2(l)+\mathrm{H}_2 \mathrm{O} \longrightarrow$$

A
+6
B
+4
C
+2.5
D
+2
2
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

In the reaction of phosphorus with conc. $$\mathrm{HNO}_3$$, the oxidised and reduced products respectively are

A
$$\mathrm{H}_3 \mathrm{PO}_4, \mathrm{NO}_2$$
B
$$\mathrm{H}_3 \mathrm{PO}_2, \mathrm{NO}$$
C
$$\mathrm{H}_3 \mathrm{PO}_3, \mathrm{~N}_2 \mathrm{O}$$
D
$$\mathrm{HPO}_3, \mathrm{NO}$$
3
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

What are the oxidation states of three Br atoms in $$\mathrm{Br}_3 \mathrm{O}_8$$ molecule?

A
$$+5,+6,+5$$
B
$$+6,+4,+6$$
C
$$+7,+2,+7$$
D
$$+6+3,+7$$
4
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statement is incorrect?

A
$$\mathrm{T}^{3+}$$ salts are oxidising agents.
B
$$\mathrm{Ga}^{+}$$ salts are reducing agents.
C
$$\mathrm{Pb}^{4+}$$ salts are better oxidising agents.
D
$$\mathrm{As}^{+5}$$ salts are better oxidising agents.
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