List of top Chemistry Questions

The ratio of $\left(\frac{\text{charge}}{\text{mass}}\right)$ of a proton to that of an $\alpha$ particle is
The pH of an acidic buffer mixture is
The oxidation number of sulphur in $H_2S_2O_8$, $H_2S_2O_4$, $H_2S_2O_6$, are respectively
The name of the complex $ [Pt{{(N{{H}_{3}})}_{6}}]C{{l}_{4}} $ is
The monomer units of starch are
The molal elevation or ebullioscopic constant for water is
The formula of chloral is
The existence of two different coloured complexes with the composition of $[Co(NH_3 )_4Cl_2 ]^+$ is due to
The energy of a hydrogen atom in the ground state is $-13.6\, eV$. The energy of a $He^+$ ion in the first excited state will be
The night-blindness is developed due to shortage of which vitamin?
The electronic configuration of chromium (Z = 24) is
The electronic configuration of neon is
The conductivity of $0.20 \,M\, K C l$ solution at $298\, K$ is $0.0248\, S\, cm ^{-1}$. What will be its molar conductivity?
The concentration of hydronium ions in a cup of black coffee is $1.3 \times 10^{-5} M$. What will be the $pH$ of the coffee?
The concentration of $ A{{g}^{+}} $ ion in a given saturated solution of $ AgCl $ at $ 25{}^\circ C $ is $ 1.06\times {{10}^{-5}}g- $ ion per litre. Thus, the solubility product of $ AgCl $ is
Which one is the correct representation of $ NH_{4}^{+} $ ion?
The $ P-P-P $ bond angle in white phosphorus is
The fertilizer named Nitrolim is prepared by the use of
Carborundum is the name of
Which of the following is present in tenon?
The chemical which is known as the king of chemicals is
Soda ash is
Structurally a biodegradable detergent should contain a
Solubility product of silver bromide is $5.0 \times 10^{-13}$. The quantity of potassium bromide (molar mass taken as 120 g of $mol^{-1}$) to be added to 1 litre of 0.05 M solution of silver nitrate to start the precipitation of AgBr is
Select the incorrect statement.