1
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following reaction represents Deacon's method?
2
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The nitrate of which of the following metals does mot liberate $\mathrm{NO}_2$ gas on heating?
3
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
What are the correct statements about the elements of group 13 given below?
(I) The stability of +1 oxidation state follows the order $\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}$.
(II) Boron has the lowest melting point and boiling point as it is a non-metal.
(III) Boron shows a maximum covalency of 4 in its compounds.
(IV) The order of atomic radius is $\mathrm{Ga}>\mathrm{Al}>\mathrm{In}$.
(V) Aluminium is passive to concentrated nitric acid.
4
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Consider the reaction,
$$ \mathrm{P}_4+3 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \longrightarrow Q+3 \mathrm{NaH}_2 \mathrm{PO}_2 $$
Identify the reaction in which $Q$ is not the product. (equations are not balanced)
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