1
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
$\mathrm{K}, \mathrm{Bi}, \mathrm{Ba}$
2
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
$\mathrm{CuCO}_3$
3
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the element for which +1 oxidation state is more stable than +3 oxidation state.
A
Ga
B
Sn
C
TI
D
Ge
4
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct statements from the following.

(i) Ti (IV) is more stable than Ti (III) and Ti (II).

(ii) Among $3 d$-series elements (From $Z=22$ to 29). Only copper has positive reduction potential $\left(M^{2+} / M\right)$.

(iii) Both Sc and Zn exhibit +1 oxidation state.

A
i, ii only
B
ii, iii only
C
i, iii only
D
i, il, iii
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