1
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The proper conditions of storing $\mathrm{H}_{2} \mathrm{O}_{2}$ are
A
placing in wax lined plastic bottle and kept in dark
B
placing in wax lined plastic bottle and exposed to light
C
placing in wax lined plastic bottle containing traces of base
D
placing in metal vessel and exposed to light
2
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Observe the following reactions (not balanced)

$$ \begin{aligned} & \mathrm{BF}_3+\mathrm{LiAlH}_4 \xrightarrow{\left(\mathrm{C}_2 \mathrm{H}_5\right)_2 \mathrm{O}} X+\mathrm{LiF}+\mathrm{AlF}_3{ }^{-} \\ & X+\mathrm{NaH} \longrightarrow Y \end{aligned} $$

The incorrect statement about $Y$ is

A
it is a good oxidising agent.
B
it is a good reducing agent.
C
oxidation state of hydrogen in it is -1 .
D
oxidation of it with iodine gives diborane.
3
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The dihedral angles in gaseous and solid phases of $\mathrm{H}_2 \mathrm{O}_2$ molecule respectively are
A
$90.2^{\circ}, 111.5^{\circ}$
B
$111.5^{\circ}, 90.2^{\circ}$
C
$101.9^{\circ}, 94.8^{\circ}$
D
$94.8^{\circ}, 101.9^{\circ}$
4
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Consider the following statements about the hydrides. (I) Sodium hydride with water liberates oxygen gas. (II) Methane, silane are examples of electron precise hydrides. (III) Ammonia and water molecules are examples of electron deficient hydrides. (IV) Hydrides of beryllium and magnesium are polymeric in structure. The correct statements are
A
I and II only
B
III and IV only
C
II and IV only
D
I and IV only
TS EAMCET Subjects
EXAM MAP