List of top Chemistry Questions asked in BITSAT

If the equilibrium constant of the reaction 2HI H₂ + I₂ is 0.25, then the equilibrium constant for the reaction H₂ + I₂ 2HI would be
Beryllium resembles much with :
Which one of the following ions has the highest value of ionic radius?
Which of the following two are isostructural ?
For the reaction : N₂ + 3H₂ 2NH₃. Which one of the following is correct regarding Δ H:
One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litres. The Δ E for this process is (R = 2 cal mol⁻¹ K⁻¹):
The truth table given below corresponds to the logic gate arrayc|c|c A & B & X
0 & 0 & 1
1 & 0 & 0
0 & 1 & 0
1 & 1 & 0 array
Nuclear energy released in fission since binding energy per nucleon is
A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it at the rate of 600 Joule/sec. Find the temperature difference if K = 200 J m⁻¹K⁻¹.
A liquid is flowing through a non-sectional tube with its axis horizontal. If two points X and Y on the axis of tube have sectional area 2.0 cm² and 25 mm² respectively then find the flow velocity at Y when the flow velocity at X is 10 m/s.
The rotation of the earth having radius R about its axis speeds upto a value such that a man at latitude angle 60^ feels weightless. The duration of the day in such case will be:
A metallic rod breaks when strain produced is 0.2%. The Young’s modulus of the material of the rod is 7×10⁹ N m⁻². What should be its area of cross-section to support a load of 10⁴ N?
Given that A + B = R and A² + B² = R². The angle between A and B is:
In the relation P = (α Z)/(β) e⁻ᵏθ, P is pressure, Z is distance, k is Boltzmann constant and θ is the temperature. The dimensional formula of β will be:
Aluminium reacts with $NaOH$ and forms compound �$X$�. If the coordination number of aluminium in �$X$ � is $6$, the correct formula of $X$ is
In Gattermann reaction, a diazonium group is replaced by using $\underline{Y} \underline{X}$and $\underline{Y}$ are
Aluminium reacts with $NaOH$ and forms compound '$X$'. If the coordination number of aluminium in '$X$' is $6$, the correct formula of $X$ is
How many '$mL$' of perhydrol is required to produce sufficient oxygen which can be used to completely convert $2L$ of $SO_2$ gas to $SO_3$ gas?
$1.5 \,g$ of $CdCl_2$ was found to contain $0.9 \,g$ of $Cd$. Calculate the atomic weight of $Cd$.
What are $X$ and $Y$ in the following reaction sequence? $C_2H_5OH \xrightarrow{Cl_2}(X) \xrightarrow{Cl_2} Y$.
pH of a buffer solution decreases by $0.02 \,$ units when $0.12\, g$ of acetic acid is added to $250\, mL$ of a buffer solution of acetic acid and potassium acetate at $ 27^{\circ}C$. The buffer capacity of the solution is
Match the following. The correct answer is
When $25\, g$ of a non-volatile solute is dissolved in $100\,g$ of water, the vapour pressure is lowered by $2.25 \times 10^{-1}\, mm$. If the vapour pressure of water at $20^{\circ} C$ is $17.5\, mm$, what is the molecular weight of the solute?
The structure of the compound formed, when nitrobenzene is reduced by lithium aluminum hydride \((LiAlH_4)\) is
When same quantity of electricity is passed through aqueous $AgNO_3$ and $H_2SO_4$ solutions connected in series, $ 5.04 \times 10^{-2} \, g $ of $H_2$ is liberated. What is the mass of silver (in grams) deposited? (E wts. of hydrogen = $ 1.008,$ silver = $108$)