1
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The alloy formed by beryllium with ' $X$ ' is used in the preparation of high strength springs. ' $X$ ' is
A
Al
B
Zn
C
Cu
D
Cr
2
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following orders is correct for the property given?
A
$\mathrm{Cr} < \mathrm{Mn} < \mathrm{Fe}$ - standard electrode potential value for $\mathrm{M}^{3+} / \mathrm{M}^{2+}$
B
$\mathrm{Cr}^{2+} < \mathrm{Mn}^{2+} < \mathrm{Fe}^{2+}$ - magnetic moments
C
$\mathrm{VO}_{2}^{+} < \mathrm{Cr}_{2} \mathrm{O}_{7}^{2-} < \mathrm{MnO}_{4}^{-}$ - oxidising power
D
$\mathrm{Ti} < \mathrm{V} < \mathrm{Cr}$ - first ionisation enthalpy
3
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The set of elements which obey the general electronic configuration $(n-1) d^{1-10} n s^2$ is?
A
$\mathrm{Bh}, \mathrm{Eu}, \mathrm{Po}$
B
$\mathrm{Ho}, \mathrm{Er}, \mathrm{Lu}$
C
$\mathrm{Hs}, \mathrm{Hg}, \mathrm{W}$
D
$\mathrm{K}, \mathrm{Bi}, \mathrm{Ba}$
4
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$Y$ in the given sequence of reactions is

$$ \begin{gathered} \mathrm{P}_4+x \mathrm{NaOH}+y \mathrm{H}_2 \mathrm{O} \xrightarrow{\mathrm{CO}_2} X+z \mathrm{NaH}_2 \mathrm{PO}_2 \\ X+\mathrm{CuSO}_4 \longrightarrow Y+\mathrm{H}_2 \mathrm{SO}_4 \end{gathered} $$

A
$\mathrm{Cu}_3\left(\mathrm{PO}_4\right)_2$
B
$\mathrm{Cu}_3 \mathrm{P}_2$
C
$\mathrm{Cu}(\mathrm{OH})_2$
D
$\mathrm{CuCO}_3$
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