1
TS EAMCET 2023 (Online) 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Assertion (A) Be and Mg do not impart any colour to the flame.

Reason (R) The electrons in them are strongly bound to get excited by flame.

A

(A) and (R) are true (R) is the correct explanation of (A).

B

(A) and (R) are true, but (R) is not the correct explanation of (A).

C

(A) is correct but (R) is incorrect.

D

(A) is incorrect but (R) is correct.

2
TS EAMCET 2023 (Online) 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Aluminium reacts with dilute HCl and liberates a gas ' $A$ ' and with aqueous alkali liberates a gas ' $B$ '. $A$ and $B$ respectively are

A

$\mathrm{Cl}_2, \mathrm{O}_2$

B

$\mathrm{O}_2, \mathrm{O}_2$

C

$\mathrm{Cl}_2, \mathrm{H}_2$

D

$\mathrm{H}_2, \mathrm{H}_2$

3
TS EAMCET 2023 (Online) 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the incorrect statement about the oxidation states of group 14 elements.

A

Carbon and silicon mostly exhibit +4 oxidation state.

B

Tin in +2 oxidation state is a reducing agent.

C

Lead in +2 oxidation state is a reducing agent

D

The order of stability of +2 oxidation state follow the se.quence $\mathrm{Ge}<\mathrm{Sn}<\mathrm{Pb}$.

4
TS EAMCET 2023 (Online) 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

TS EAMCET 2023 (Online) 14th May Morning Shift Chemistry - IUPAC Nomenclatures Question 3 English

A

6-formyl-3-hydroxy-5-methyloct-4-ene

B

5-hydroxy-2-ethyl-3-methylhept-3-enal

C

3-methyl-2-ethyl-5-hydroxy hept-3-enal

D

2-ethyl-5-hydroxy-3-methylhept-3-enal

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