1
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the $$P$$ and $$Q$$ of the following reaction
$$P+Q \longrightarrow\left[B(O H)_4\right]^{-}+\mathrm{H}_3 \mathrm{O}^{+}$$
2
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0
Among $$\mathrm{P}_4, \mathrm{~S}_8$$ and $$\mathrm{N}_2$$ the elements which undergo disproportionation when heated with NaOH solution.
3
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the correct statements about the anomalous behaviour of boron.
I. Boron trihalides can form dimeric structures.
II. Boron shows +1 as stable oxidation state.
III. Maximum covalency of boron is four.
IV. Boron does not form $$\mathrm{BF}_6^{6-}$$ ion.
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following is formed when $$\mathrm{SO}_3$$ is absorbed by concentrated $$\mathrm{H}_2 \mathrm{SO}_4$$ ?
Questions Asked from p-Block Elements (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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