List of top Chemistry Questions

The correct decreasing order of $pK_a$ is
When the same quantity of current is passed through $ {CuSO_4}$ and $ {AgNO_3}$ solution 2.7 g of silver is deposited. The amount of copper deposited is
The pOH of 0.0005 M sulphuric acid is
Bauxite is
Siderite is
Bond order in nitrogen molecule is
The radius ratio of a substance is 0.32. The coordination number of the substance is
Which of the following is pheromone?
Which of the following enzymes is present in animals like cow, buffaloes, etc. to digest compound like paper, cloth, etc.?
Which one of the following represents the correct ratio of the energy of electron in ground state of $H$ atom to that of the electron in the first excited state of $Li^{+}$ ?
Which one of the following has the lowest ionization energy?
The correct order of decreasing acidity of nitrophenols will be
The correct decreasing order of dipole moment in $ CH_{3}Cl,\,CH_{3} Br$ and $ CH_{3}F $ is
Term used for accumulation of non-degradable pollutants in higher trophic level is
Which ion has the largest radius?
The correct decreasing order of dipole moment in $ CH_{3}Cl,\,CH_{3} Br$ and $ CH_{3}F $ is
In Tollens test, aldehydes
Decreasing order of reactivity of hydrogen halide acids in the conversion of $ ROH\to RX $ is
In the conversion of
Which of the following has the largest number of isomers?
Which of the following is an outer orbital complex?
Which of the following relation is correct? (i) $ \frac{x}{m} = $ constant (at high pressure) (ii) $ \frac{x}{m} = $ constant $ \times\, p^{1/n} $ (at intermediate pressure) (iii) $ \frac{x}{m} = $ constant $ \times \,p^n $ (at lower pressure)
Which one of the following has maximum lattice energy?
Which one of the following is heteroleptic complex?
Which of the $ d $ -orbital is used in $ sp^3d $ hybridisation?