1
TS EAMCET 2023 (Online) 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

When compared with alkaline earth metals, the alkali metals have

A

greater hardness

B

higher boiling points

C

smaller ionic radii

D

lower ionisation enthalpy

2
TS EAMCET 2023 (Online) 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Kernite and cryolite are the minerals of two elements $X$ and $Z$. Respectively $X$ and $Z$ are

A

$\mathrm{B}, \mathrm{Ga}$

B

$\mathrm{B}, \mathrm{Al}$

C

AI, In

D

$\mathrm{B}, \mathrm{TI}$

3
TS EAMCET 2023 (Online) 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Choose the correct statement from the following with reference to inert pair effect.

A

$\mathrm{Sn}^{+4}$ is reducing agent but $\mathrm{Pb}^{+4}$ is an oxidising agent.

B

$\mathrm{Sn}^{+4}$ is an oxidising agent but $\mathrm{Pb}^{+2}$ is a reducing agent.

C

$\mathrm{Sn}^{+2}$ is reducing agent but $\mathrm{Pb}^{+4}$ is an oxidising agent.

D

$\mathrm{Sn}^{+2}$ is an oxidising agent but $\mathrm{Pb}^{+4}$ is reducing agent.

4
TS EAMCET 2023 (Online) 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In the following reaction ' $C$ ' is an aromatic compound having substitutents $D$ and $E$. What are $D$ and $E$ ?

TS EAMCET 2023 (Online) 13th May Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 13 English

A

$-\mathrm{OH},-\mathrm{SO}_3 \mathrm{H}$

B

$-\mathrm{CHO},-\mathrm{NO}_2$

C

$-\mathrm{COOH},-\mathrm{NO}_2$

D

$-\mathrm{SO}_3 \mathrm{H}_1-\mathrm{NO}_2$

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