List of top Chemistry Questions asked in BITSAT

Which of the following compound cannot be used in preparation of iodoform?
Which of the following compound is obtained by heating ammonium cyanate?
Which of the following statements about vitamin B₁₂ is incorrect?
Ammonia forms the complex ion [Cu(NH₃)₄]²⁺ with copper ions in alkaline solutions but not in acidic solutions. What is the reason for it?
An aqueous solution of a substance gives a white precipitate on treatment with dil. HCl which dissolves on heating. When H₂S is passed through the hot acidic solution, a black precipitate is obtained. The substance is a:
The one which is least basic is:
For making good quality mirrors, plates of float glass are used. These are obtained by floating molten glass over a liquid metal which does not solidify before glass. The metal used can be
Interparticle forces present in nylon-66 are:
The value of x is maximum for
At 25°C and 1 bar which of the following has a non-zero Δ Hf^ ?
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