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

Observe the following statements.

Statement I Both LiF and CsI have low solubility in water.

Statement II Low solubility of LiF in water is due to smaller hydration enthalpy of ions and that of CsI is due to its high lattice enthalpy.

The correct answer is

A

Both Statement I and II are correct.

B

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

C

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

D

Both Statements I and II are not correct.

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

In which of the following the $s$-block elements are arranged in the correct order of their melting points?

A

$\mathrm{Mg}>\mathrm{Be}>\mathrm{Na}>\mathrm{Li}$

B

$\mathrm{Li}>\mathrm{Be}>\mathrm{Mg}>\mathrm{Na}$

C

$\mathrm{Be}>\mathrm{Mg}>\mathrm{Li}>\mathrm{Na}$

D

$\mathrm{Li}>\mathrm{Mg}>\mathrm{Na}>\mathrm{Be}$

3
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The correct statements about the compounds of boron are

I. In borax bead test, the colour of cobalt metaborate is blue.

II. Diborane is prepared by the oxidation of sodium borohydride with iodine.

III. In diborane oxidation state of hydrogen is +1 .

IV. Boric acid is a tribasic acid.

A

I and II

B

III and IV

C

I and III

D

II and IV

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

Dehydration of an organic acid $X$ with concentrated $\mathrm{H}_2 \mathrm{SO}_4$ at 373 K gives $\mathrm{H}_2 \mathrm{O}$ and gas $Y$. The hybridisation of the carbon in $Y$ and nature of $Y$ are respectively.

A

$s p^2$, Neutral

B

$s p$, Neutral

C

$s p^2$, Acidic

D

$s p$, Acidic

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