Assertion (A) Ammonia and its derivatives form $\mathrm{H}_2 \mathrm{~N}-\mathrm{Z}$ undergo condensation reaction with carbonyl compounds (aldehydes and ketones).

Reason (R) This reaction is an example of irreversible reaction.

The correct option among the following is

The correct order of $\mathrm{p} K_a$ of the following is

$$ \underset{\mathrm{I}}{\mathrm{CCl}_3 \mathrm{COOH}} \quad \underset{\mathrm{II}}{\mathrm{CF}_3 \mathrm{COOH}} $$

$$ \underset{\text { III }}{\mathrm{NO}_2 \mathrm{CH}_2 \mathrm{COOH}} \underset{\text { IV }}{\mathrm{NCCH}_2 \mathrm{COOH}} $$

$$ \text { Match the following. } $$

<mrow data-mjx-texclass="ORD">

  <mi mathvariant="normal">C</mi>

</mrow>

<mn>6</mn>

<mrow data-mjx-texclass="ORD">

  <mi mathvariant="normal">H</mi>

</mrow>

<mn>5</mn>

<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">SO</mi>

</mrow>

<mn>2</mn>

<mi data-mjx-auto-op="false">Cl</mi>

<mrow data-mjx-texclass="ORD">

  <mi mathvariant="normal">C</mi>

</mrow>

<mn>6</mn>

<mrow data-mjx-texclass="ORD">

  <mi mathvariant="normal">H</mi>

</mrow>

<mn>5</mn>

<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">SO</mi>

</mrow>

<mn>2</mn>

<mi data-mjx-auto-op="false">Cl</mi>

<mn>1</mn>

<mrow data-mjx-texclass="ORD">

  <mo>∘</mo>

</mrow>

<mn>1</mn>

<mrow data-mjx-texclass="ORD">

  <mo>∘</mo>

</mrow>

<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">LiAlH</mi>

</mrow>

<mn>4</mn>

<mrow data-mjx-texclass="ORD">

  <mi data-mjx-auto-op="false">LiAlH</mi>

</mrow>

<mn>4</mn>

$$ \text { The correct match is } $$

The domain of the real valued function $f(x)=\sqrt{\frac{2 x^2-7 x+5}{3 x^2-5 x-2}}$ is