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

Consider the following statements about group 13 elements.

A. $\mathrm{AlCl}_3$ gets stability by forming a dimer.

B. $\mathrm{BCl}_3$ is an electron deficient molecule.

C. $E_{M^{3+} / M}^{\circ}(\mathrm{V})$ is +1.26 for aluminium.

D. In +1 oxidation state thallium is unstable.

The incorrect statements are

A

C and D only

B

A and B only

C

A and D only

D

B and C only

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

What is the correct order of melting temperature of $\mathrm{C}, \mathrm{Si}, \mathrm{Ge}$ ?

A

$\mathrm{C}>\mathrm{Ge}>\mathrm{Si}$

B

$\mathrm{Si}>\mathrm{C}>\mathrm{Ge}$

C

$\mathrm{C}>\mathrm{Si}>\mathrm{Ge}$

D

$\mathrm{Si}>\mathrm{Ge}>\mathrm{C}$

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

$$ \text { The IUPAC name of the following compound is } $$

TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - IUPAC Nomenclatures Question 4 English
A

3-(2-butyl) pentane

B

2-(3-pentyl) butane

C

3-ethyl-4- methylhexane

D

3-methyl-4-ethythexane

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

The delocalisation of $\sigma$ electrons of C-H bond of an alkyl group with the $\pi$ electrons of benzene is observed in

A

inductive effect

B

hyperconjugation effect

C

resonance effect

D

electromeric effect

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