1
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the compound which gives $\mathrm{CO}_2$ more readily on heating?
A
$\mathrm{CaCO}_3$
B
$\mathrm{NaHCO}_3$
C
$\mathrm{Na}_2 \mathrm{CO}_3$
D
$\mathrm{Li}_2 \mathrm{CO}_3$
2
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The major components of cement are
A
$\mathrm{SiO}_2, \mathrm{Al}_2 \mathrm{O}_3$
B
$\mathrm{SiO}_2, \mathrm{Fe}_2 \mathrm{O}_3$
C
$\mathrm{Al}_2 \mathrm{O}_3, \mathrm{Fe}_2 \mathrm{O}_3$
D
$\mathrm{SiO}_2, \mathrm{CaO}$
3
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Consider the following reactions (not balanced).

$$ \begin{array}{r} \mathrm{BF}_3+\mathrm{NaH} \xrightarrow{450 \mathrm{~K}} X+\mathrm{NaF} \\ X+\mathrm{H}_2 \mathrm{O} \longrightarrow Y+\mathrm{H}_2 \uparrow \end{array} $$

The correct statements about $X$ and $Y$ are

I. $X$ is an electron deficient molecule.

II. in $X, B-B$ bond is present.

III. $Y$ is a weak tribasic acid.

IV. $Y$ acts as a Lewis acid.

A
I and IV
B
II and III
C
II and IV
D
I and III
4
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following does not exist?
A
$\left[\mathrm{GeCl}_6\right]^{-2}$
B
$\left[\mathrm{SiF}_6\right]^{2-}$
C
$\left[\mathrm{SCl}_6\right]^{2-}$
D
$\left[\mathrm{Sn}(\mathrm{OH})_6\right]^{2-}$
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