1
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The order of negative standard potential values of Li, $\mathrm{Na}, \mathrm{K}$ is

A

$\mathrm{Li}>\mathrm{Na}>\mathrm{K}$

B

$\mathrm{K}>\mathrm{Na}>\mathrm{Li}$

C

$\mathrm{Na}>\mathrm{K}>\mathrm{Li}$

D

$\mathrm{Li}>\mathrm{K}>\mathrm{Na}$

2
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In which of the following reactions, hydrogen is evolved?

I. Reaction of sodium borohydride with iodine

II. Oxidation of diborane

III. Reaction of boron trifluoride with sodium hydride

IV. Hydrolysis of diborane

A

I, IV only

B

I, II only

C

III, IV only

D

I,II, IV only

3
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is not correct regarding the gas evolved by the reaction of dilute HCl on $\mathrm{CaCO}_3$ ?

A

It is colourless, odourless gas

B

It has least solubility in water

C

It is acidic in nature

D

It is poisonous gas

4
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Observe the following statements

Statement I The carbon containing components of photochemical smog are acrolein, methanal and PAN. Statement II The number of greenhouse gases in the list given below is 5 .

$$ \mathrm{CH}_4, \mathrm{CO}_2, \mathrm{NO}, \mathrm{H}_2 \mathrm{O}(l), \mathrm{H}_2 \mathrm{O}(g), \mathrm{O}_2, \mathrm{O}_3 $$

The correct answer is

A

Both Statements I and II are correct.

B

Both Statements I and II are not correct.

C

Statement I is correct, but Statement II is not correct.

D

Statement I is not correct, but Statement II is correct.

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