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

How many grams of Mg is required to completely reduce $$100 \mathrm{~mL}, 0.1 \mathrm{~M} \mathrm{~NO}_3^{-}$$ solution using the following reaction?

$$\mathrm{NO}_3^{-}+\mathrm{Mg} \longrightarrow \mathrm{Mg}^{2+}+\mathrm{NH}_3$$

A
0.96
B
0.62
C
0.24
D
0.75
2
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
3
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
$$\mathrm{HPO}_3, \mathrm{NO}$$
4
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
$$+6+3,+7$$
AP EAPCET Subjects
EXAM MAP