List of top Chemistry Questions asked in MHT CET

The molar conductivities of NaCl, HCl and \(\text{C}_{2}\text{H}_{5}\text{COONa}\) at infinite dilution are \(126.45\), \(426.16\) and \(91\) ohm\({}^{-1}\)cm\({}^{2}\). The molar conductivity of \(\text{C}_{2}\text{H}_{5}\text{COOH}\) is
Which of the following solutions is isotonic to \(0.1\) M NaCl solution at the same temperature, assuming complete dissociation of NaCl ? (Molar mass of glucose = \(180\) g/mol)
What is degree of dissociation of \(\text{K}_{2}\text{SO}_{4}\) if the observed elevation in boiling point of electrolytic solution is \(0.1352^{\circ }\)C and normal elevation in boiling point of a non-electrolytic solution of same concentration is \(0.052^{\circ }\)C ?
Calculate the density of fcc crystal structure having molar mass \(58.5\) g mol\({}^{-1}\) and edge length \(564\) pm (\(N_{A}=6.022\times 10^{23}\))
Which of the following statement is correct in the context of defects in a crystal?
What type of isomerism is shown by the following pair of compounds?
\(\text{CH}_{3}-\text{CH}_{2}-\text{NH}-\text{CH}_{2}-\text{CH}_{3}\) and \(\text{CH}_{3}-\text{NH}-\text{CH}_{2}-\text{CH}_{2}-\text{CH}_{3}\)
Ethene reacts with cold and dilute alkaline potassium permanganate to from
Identify the reaction when toluene is converted to benzaldehyde by using chromyl chloride.
Green chemistry helps to protect the presence of the ozone layer in,
Which element from group \(2\) of periodic table resembles with lithium for different properties ?
Identify optically inactive compound from the following.
What type of oxide the \(\text{Al}_{2}\text{O}_{3}\) is?
Number of optically active stereoisomer are possible for butane-2,3-diol
Find out the oxidation state of oxygen in \(\text{H}_{2}\text{O}_{2}\)
Which of the following statements is correct about temperature and internal energy ?
Which from following buffers is used as highly effective stabilizer in the preparation of penicillin?
Determine the \([\text{OH}^{-}]\) of a solution of weak base BOH having its pH \(9.75\) at \(298\) K.
What is the pH of \(0.01\) M acetic acid that is \(1\%\) ionized?
Which of the following is an example of diamagnetic species?
Which of the following pair of compounds consists equal number of lone pair of electrons in the valence shell of central atom?
Find the entropy change of the surrounding if the standard enthalpy of formation of a substance is \(-447\) kJ mol\({}^{-1}\)
Calculate the amount of heat evolved when \(33\) g. \(\text{CO}_{2}(g)\) formed if the reaction is
\(\text{CH}_{2}\text{O}(g)+\text{O}_{2}(g)\rightarrow \text{CO}_{2}(g)+\text{H}_{2}\text{O}(g);\ \Delta H=-527\) kJ
Which of the following compounds exhibits the highest boiling point?
Which of the following gases has the maximum number of molecules?
What is the energy of an electron in a hydrogen atom whose angular momentum is \(h/\pi\) ?