List of top Chemistry Questions asked in MHT CET

Find the solubility of organic compound R-X in water at \(25^{\circ }\text{C}\) and at \(130\) mmHg, if Henry's law constant for that organic compound is \(0.160\) mol L\({}^{-1}\) bar\({}^{-1}\) at that temperature.
What is the molar conductivity of a \(0.5\) mol/dm\({}^{3}\) \(\text{AgNO}_{3}\) solution if electrolytic conductivity of it is \(5.76\times 10^{-3}\) S cm\({}^{-1}\) at \(298\) K?
Addition of \(0.643\) g of compound to \(50\) ml of benzene (density of benzene \(=0.879\) g/ml) lowers the freezing point from \(5.51^{\circ }\text{C}\) to \(5.03^{\circ }\text{C}\). If \(K_{f}\) for benzene is \(5.12\) K kg/mol. Calculate the molecular weight of a compound in gram?
One litre of glucose solution have osmotic pressure \(1.5\) atmosphere is mixed with other \(2\) litre glucose solution of osmotic pressure \(2.5\) atmosphere. Then find resultant osmotic pressure of the solution.
The unit cell of metal is fcc. Calculate the void volume unit cell if the radius of metal atom is \(127.3\) pm.
Which of the following is an example of ferromagnetic substance?
Which of the following salts does NOT exhibit Frenkel defect?
Which of the following is NOT a role of green chemistry?
Which of the following is an amphoteric hydroxide?
What is the IUPAC name of \(\text{CH}_{3}\text{-O-CH}_{2}\text{-CH}_{2}\text{-CH}_{3}\)?
Which of the following reagents is used for acetylation of benzene?
(A) \((\text{CH}_{3}\text{CO})_{2}\text{O}\)
(B) \(\text{H}_{2}/\text{Pt}\)
(C) \(\text{CO}/\text{Ni}\)
(D) \(\text{CH}_{3}\text{COCl}\)
Choose the CORRECT option from the following.
Identify the property of a racemic mixture by the following.
Which of the following is the most stable cation?
The solubility product of a sparingly soluble salt \(\text{BA}_{2}\) is \(1.08\times 10^{-10}\). Calculate its solubility in g dm\({}^{-3}\) if the molar mass of salt is \(175\) g mol\({}^{-1}\).
Evaluate the standard enthalpy of formation of \(\text{C}_{2}\text{H}_{4}\) in kJ/mol from the following data,
\(\text{C}_{2}\text{H}_{4(g)}+3\text{O}_{2(g)}\rightarrow 2\text{CO}_{2(g)}+2\text{H}_{2}\text{O}_{(l)}\) \(\Delta _{r}H^{0}=-1411\) kJ/mol
\(\Delta _{f}H^{0}(\text{CO}_{2})=-393\) kJ/mol
\(\Delta _{f}H^{0}(\text{H}_{2}\text{O})=-285\) kJ/mol
What is oxidation number of oxygen in super oxide of a monovalent metal?
What is the pH of a mixture of \(40\) ml of \(0.1\) M \(\text{Ba(HCOO)}_{2}\) and \(20\) ml of \(0.1\) M \(\text{HCOOH}\) solution?
(\(pK_{a}\) for formic acid \(=5\))
Which of the following aqueous solutions turns blue litmus red?
Find the value of \(\Delta _{(sub)}H\) for water if, enthalpy of fusion of water is \(6.0\) kJ mol\({}^{-1}\) and enthalpy of vapourisation is \(45.0\) kJ mol\({}^{-1}\)
Calculate the total number of protons, neutrons and electrons in \(1\) mole of \({}^{20}\text{Ne}\)
What is the value of critical temperature of \(\text{CO}_{2}\) in \({}^{\circ }\)C?
Calulate \(\Delta S_{(total)}\) for following reaction.
\(\text{CH}_{3}\text{OH}_{(l)}+3/2\text{O}_{2(g)}\rightarrow \text{CO}_{2(g)}+2\text{H}_{2}\text{O}_{(l)}\), \(\Delta H=-726\) kJ mol\({}^{-1}\), \(\Delta S_{(system)}=42\) JK\({}^{-1}\)
(both at \(298\) K)
Which is the correct decreasing order for ionic character of halides, where M is a monovalent metal?
What is the shape of a molecule if it has two lone pairs and three bonding pairs of electrons?
The number of protons, electrons and neutrons in \(\text{P}^{3-}\) ion are, respectively