1
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
2
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
3
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The order of melting points of $\mathrm{Cr}, \mathrm{Mo}$ and W is

A
$\mathrm{Cr}>\mathrm{Mo}>\mathrm{W}$
B
$\mathrm{Mo}>\mathrm{Cr}>\mathrm{W}$
C
$\mathrm{W}>\mathrm{Mo}>\mathrm{Cr}$
D
$\mathrm{W}>\mathrm{Cr}>\mathrm{Mo}$
4
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The number $f$-electrons in +3 oxidation state of gadolinium $(Z=64)$ is $x$ and in +2 oxidation state of ytterbium $(Z=70)$ is $y$. The sum of $x$ and $y$ is
A
13
B
20
C
18
D
21
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