1
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.
2
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
$94.8^{\circ}, 101.9^{\circ}$
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