List of top Chemistry Questions asked in BITSAT

For an isomerization reaction \( A \rightleftharpoons B \), the temperature dependence of the equilibrium constant is given by: \[ \log_e K = 4.0 - \frac{2000}{T} \] {The value of \( \Delta S^\circ \) at Hook is, therefore:}
Nylon-6,6 is obtained from:
100 mL of 2M formic acid (\(pK_a\) = 3.74) is neutralized by NaOH. At the equivalence point, the pH is:
Which of the following compounds is thermodynamically the most stable?

Which one of the following is the correct order of given isotopes?

I. \( T_2 > D_2 > P_2 \quad \text{(order of boiling point)} \)

II. \( T_2 > D_2 > P_2 \quad \text{(order of bond energy)} \)

III. \( T_2 = D_2 = P_2 \quad \text{(order of bond length)} \)

IV. \( T_2 < D_2 < P_2 \quad \text{(order of reactivity with } Cl_2 \text{)} \)

The number of \( 3{C} - 2{e}^- \) bonds present in diborane is:
The total number of \( {P} - {OH} \) bonds for pyrophosphoric acid is:
In an adiabatic process, no transfer of heat takes place between the system and surroundings. Choose the correct option for free expansion of an ideal gas under adiabatic conditions from the following:
Ge (II) compounds are powerful reducing agents whereas Pb (IV) compounds are strong oxidants. It can be because:

The given graph represents the variation of compressibility factor \( Z = \frac{pV}{nRT} \), for three real gases A, B, and C. Identify the only incorrect statement: 

Which compound has antifluorite structure?
In the molecules \( {CH}_4 \), \( {NF}_3 \), \( {NH}_4^+ \) and \( {H}_2{O} \),
Ortho and para forms of hydrogen have:
Ninhydrin gives a yellow color in paper chromatography with which amino acid?
The reaction of \( {C}_6{H}_5 {CH=CHCH}_3 \) with HBr produces:
$3.6$ gram of oxygen is adsorbed on $1.2\, g$ of metal powder. What volume of oxygen adsorbed per gram of the adsorbent at $1\,atm$ and $273 \,K$ ?
Net cell reaction of $Pt \left| H _{2}(640\, mm )\right| HCl \left| H _{2}(510\, mm )\right| Pt$.
$aK _{2} Cr _{2} O _{7}+ bKCl + cH _{2} SO _{4} \longrightarrow xCrO _{2} Cl _{2}+ yKHSO _{4}+ zH _{2} O$ The above equation balances when
The angular speed of the electron in the $n^{th}$ orbit of Bohr hydrogen atom is
Which one is classified as a condensation polymer?
In the reaction $2 PCl _{5} \rightleftharpoons PCl _{4}^{+}+ PCl _{6}^{-}$, the change in hybridisation is from
The electronic configuration of $Eu$ (Atomic $No. 63$), $Gd$ (Atomic $No. 64$) and $Tb$ (Atomic $No. 65$) are :
Glycine in alkaline solution exists as______and migrates to__________.
General formula of solid in zinc blende structure is:
Mole fraction of the solute in a $1.00$ molal aqueous solution is