MAH-MHT CET (PCM/PCB) entrance exam Question Bank Solutions for Chemistry

Which of the following is Schiff's reagent?

Ethyl methyl ketone can be reduced to n-butane by which of the following reactions?

The following structure represents the polymer:

\[\begin{array}{cc}
\ce{[-C-CH2-NH-C-(-CH2)5 NH -]_{{n}}}\\
\phantom{}||\phantom{.............}||\phantom{................}\\
\phantom{}\ce{O}\phantom{.............}\ce{O}\phantom{................}
\end{array}\]

____________ states that equal volumes of all gases under identical conditions of temperature and pressure contain equal number of molecules.

An element has a bee structure with cell edge of 288 pm. The density of element is 7.2 g cm^-3. What is the atomic mass of an element?

Identify the INCORRECT reaction.

Identify A in the following reaction.

\[\ce{A + CH3MgBr ->[Ether] complex ->[H3O+] (CH3)3C - OH}\]

Which among the following polymers is obtained from styrene and 1-3-butadiene?

What is standard N ≡ N bond enthalpy from following reaction,

\[\ce{N2_{(g)} + 3H2_{(g)} -> 2NH3_{(g)}; \Delta H^0 = - 83 kJ}\]

\[\ce{ΔH^0_{(H-H)}}\] = 435 kJ; \[\ce{ΔH^0_{(N-H)}}\] = 389 kJ

Which among the following polymers is used for making handles of cooker?

Calculate the potential of hydrogen electrode at 25°C:

Pt, H₂ (1 atm) | H⁺ (0.1 M)

For which of the following ∆U = ∆H?

Which of the following gives red precipitate with Fehling's solution?

ln which of the following reactions, both oxidised and reduced forms of the same compound are obtained?

Which of the following polymer is used in paints?

Identify B in the following reaction,

\[\ce{Acetaldoxime ->[Na][alcohol] A ->[NaNO2][HCl] B + H2O + N2\uparrow}\]

Identify additional polymers from the following.

I. \[\begin{array}{cc}
\ce{-(CH2 - CH -)_{{n}}}\\
\phantom{....}|\\
\phantom{.......}\ce{C6H5}
\end{array}\]

II. \[\ce{-(CH2 - CH = CH - CH2 -)_{{n}}}\]

III. \[\ce{-(CO(CH2)4 - CONH(CH2)6NH -)_{{n}}}\]

IV.

How many isoprene units are present in abscisic acid?

If acetaldehyde is treated with Fehling's solution, the change that occurs in the system is ____________.

Acetone reacts with iodine (I₂) to form iodoform, in the presence of ____________.