List of top Chemistry Questions asked in BITSAT

Which of the following arrangements does not represent the correct order of the property stated against it?
Knowing that the chemistry of lanthanoids (Ln) is dominated by its +3 oxidation state, which of the following statements is incorrect?
The decreasing order of the ionization potential of the following elements is:
The normality of 26% (w/v) solution of ammonia (density =0.855) is approximately:
The hypothetical cis–chloro–diaquatramminecobalt(III) chloride can be represented as:
Which of the following is paramagnetic?
In PO₄³-, the formal charge on each oxygen atom and the P–O bond order respectively are:
If the series limit wavelength of the Lyman series for hydrogen atom is 912AA, then the series limit wavelength for the Balmer series of hydrogen atom is:
A capillary tube of radius r is immersed vertically in a liquid such that liquid rises in it to height h (less than the length of the tube). Mass of liquid in the capillary tube is m. If radius of the capillary tube is increased by 50%, then mass of liquid that will rise in the tube is:
Which of the following compound has all the four types $\left(1^{\circ}, 2^{\circ}, 3^{\circ}\right.$ and $\left.4^{\circ}\right)$ of carbon atoms?
Give the possible structure of $X$ in the following reaction : $C_6 H_6 + D_2 SO_4 \xrightarrow{D_2O} X$
$CH _{3} C \equiv CCH _{3} \xrightarrow{H 2 / P t} A \xrightarrow{D_{2} / P t} B$ The compounds $A$ and $B$, respectively are
The normality of $26\%$ (wt/vol) solution of ammonia (density $= 0.855$ ) is approximately :
At what temperature, the rate of effusion of $N_2$ would be $1.625$ times than that of $SO_2$ at $50^{\circ} C$ ?
$1.25\, g$ of a sample of $Na _{2} CO _{3}$ and $Na _{2} SO _{4}$ is dissolved in $250\, ml$ solution. $25 ml$ of this solution neutralises $20\, ml$ of $0.1\, N\, H _{2} SO _{4}$. The $\%$ of $Na _{2} CO _{3}$ in this sample is
Formation of polyethylene from calcium carbide takes place as follows $ CaC _{2}+2 H _{2} O \longrightarrow Ca ( OH )_{2}+ C _{2} H _{2}$ $C _{2} H _{2}+ H _{2} \longrightarrow C _{2} H _{4} $ $ nC _{2} H _{4} \longrightarrow\left(- CH _{2}- CH _{2}-\right) n$ The amount of polyethylene obtained from $64.1\, kg$ of $CaC _{2}$ is
A compound of Xe and F is found to have 53.5% of Xe. What is oxidation number of Xe in this compound ?
Nucleotides are joined together by between $ 5' $ and $ 3' $ carbon atoms of pentose sugar
The hypothetical complex chloropentaamminecobalt (III) chloride can be represented as
The degree of dissociation of $P C l_{5}(\alpha)$ obeying the equilibrium $PCl _{5} \rightleftharpoons PCl _{3}+ Cl _{2}$ is related to the equilibrium pressure by
What will happen when $D-(+)$-glucose is treated with methanolic �$HCl$ followed by Tollens� reagent ?
Which of the followings forms the base of talcum powder?
Which of the following method gives better yield of p-nitrophenol?
The average kinetic energy of an ideal gas per molecule in SI unit at $25^{\circ} C$ will be
Based on data provided, the value of electron gain enthalpy of fluorine would be :