List of top Chemistry Questions asked in AP EAPCET

Which of the following methods are used to remove temporary hardness of water? I) Boiling
II) Calgon method
III) Clark's method

Consider the following:
Statement I: Real gases exhibit ideal behaviour at high pressures and low temperatures.
Statement II: At high pressure, all gases have compressibility factor (Z) either as 1 or< 1.

The pairs of compounds which have the same molecular geometry are
I) BF\textsubscript{3}, BrF\textsubscript{3}
II) XeF\textsubscript{2}, BeCl\textsubscript{2}
III) BCl\textsubscript{3}, PCl\textsubscript{3}
IV) PCl\textsubscript{3}, NCl\textsubscript{3}

Which of the following sets are not correctly matched?
I) O\textsubscript{2}\textsuperscript{+}, O\textsubscript{2}\textsuperscript{–} \hspace{1em} – diamagnetic
II) O\textsubscript{2}\textsuperscript{–}, O\textsubscript{2} \hspace{3.8em} – paramagnetic
III) O\textsubscript{2}\textsuperscript{–}, O\textsubscript{2}\textsuperscript{2–} \hspace{1em} – diamagnetic
IV) O\textsubscript{2}\textsuperscript{+}, O\textsubscript{2}\textsuperscript{2–} \hspace{1em} – paramagnetic

Match the following:

The correct answer is:

Match the following

Consider the following halogen-containing compounds:

The compounds with a net dipole moment are:

What are X and Y respectively in the following reaction sequence ?

The S\(_{\text{N}}\)1 reactivity of the following halides will be in the order
I) C\(_{\text{6}}\)H\(_{\text{5}}\)CH\(_{\text{2}}\)Br
II) (C\(_{\text{6}}\)H\(_{\text{5}}\))\(_2\)CHBr
III) (C\(_{\text{6}}\)H\(_{\text{5}}\))\(_2\)C(CH\(_{\text{3}}\))Br
IV) (CH\(_{\text{3}}\))\(_2\)CHBr

The reactions which give $ \text{XeO}_3 $ as one of the products are:
I) Complete hydrolysis of $ \text{XeF}_2 $
II) Complete hydrolysis of $ \text{XeF}_4 $
III) Complete hydrolysis of $ \text{XeF}_6 $

Match the following

The correct answer is:

In the extraction of which of the following metals, the ore is concentrated by leaching process?
I) Ag
II) Au
III) Zn
IV) Al