List of top Chemistry Questions asked in MHT CET

Elements A and B combine to form the ionic compound \(\text{A}_{x}\text{B}_{y}\). The anions of B are arranged in hcp array and the cations of A occupy all the octahedral voids. Determine the values of x and y.
Aldehydes and Ketones can be converted to alkanes using
(A). LiAlH\({}_{4}\)/ H\({}_{3}\)O\({}^{+}\)
(B). Zn-Hg/ conc\({}^{n}\) HCl
(C). NH\({}_{2}\)-NH\({}_{2}\) / KOH in ethylene glycol
(D). K\({}_{2}\)Cr\({}_{2}\)O\({}_{7}\)/ dil.H\({}_{2}\)SO\({}_{4}\)
Palladised charcoal with quinoline is known as
A compound is formed by two elements X and Y. The atoms of element Y form a hcp structure. The atoms of element X occupy \(1/3\) of octahedral voids. What is the formula of a compound?
Which of the following is NOT a principle of green chemistry?
An organic halogen compound which is used as refrigerant in refrigerators and air conditioners is
Calculate the solubility product of \(\text{Ca(OH)}_{2}\) if solubility of it is \(\sqrt{3}\) mol \(\text{dm}^{-3}\) at \(25^{\circ }\text{C}\).
Consider the following compounds :
\(\underline{\text{K}}\text{O}_{2},\text{H}_{2}\underline{\text{O}}_{2}\) and \(\text{H}_{2}\underline{\text{S}}\text{O}_{4}\)
The oxidation state of the underlined elements in them are respectively,
Which from the following is Lewis base?
Identify the oxide used as \(\text{CO}_{2}\) adsorbent and oxygen generator from following.
What amount of NaOH should be dissolved in a \(500\) mL solution, so that the \(\text{p}^{\text{H}}\) of solution is \(12\) at \(298\) K ?
How many total number of s and p electrons are respectively present in \(\text{Cl}^{-}\) ?
Calculate \(\Delta H\) for a reaction, \(2X_{(g)}+Y_{(g)}\rightarrow 2Z_{(g)}\) at \(298\) K if \(\Delta U=-10.5\) kJ and \(R=8.314\ \text{J K}^{-1}\ \text{mol}^{-1}\).
The relationship between \(\Delta H\) and \(\Delta U\) for the reaction, \(\text{PCl}_{3}(g)+\text{Cl}_{2}(g)\rightarrow \text{PCl}_{5}(g)\) is given as
The volume occupied by a given mass of gas at \(298\) K is \(35\) mL at \(1\) atmospheric pressure. Calculate the volume of the gas if pressure is decreased to \(0.75\) atmosphere at constant temperature.
What is the enthalpy of formation of HF if bond enthalpies of H-H, F-F and H-F bonds are \(434\) kJ/mol, \(158\) kJ/mol and \(565\) kJ/mol respectively. ?
Which of the following molecules shows \(\text{sp}^{3}\text{d}\) hybridisation?
A coordination complex contains \(2.6\ \%\) of Mg. Find the number of Mg atoms in \(5.0\) g of this sample.
(gram atomic mass of Mg \(=24\) g )
Which of the following polymers is not an example of addition polymerization?
Identify a monomer used to prepare nylon 6,6 along with hexamethylene-diamine.
What type of sugar is the stachyose?
Identify the structure of alanine when pH is \(11\).
Identify the process of making soap by the hydrolysis of fats and oils.
What type of amine is tert-Butyl amine?
Identify the product obtained when nitro alkanes are treated with Sn / HCl.