MAH-MHT CET (PCM/PCB) entrance exam Question Bank Solutions for Chemistry

The rate law for a reaction between the substances A and B is given by, rate = k[A]ⁿ [B]^m. On halving the concentration of A and doubling the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be as ____________.

The number of σ and n-bonds in 2-formylbenzoic acid are respectively.

Match the following:

According to Werner's theory the geometry of the complex is determined by ______.

Which among the following solution has the highest conductivity (k) value?

The bond angle \[\ce{H-O-O in H2O2}\] in gaseous phase is ______.

Which of the following is recycled to prepare foam packaging and light switchplates?

Identify the INCORRECT statement regarding glucose.

One mole of a carbohydrate on hydrolysis gives one mole of glucose and one mole of galactose. Identify the carbohydrate.

For a chemical reaction rate law is, rate = k[A]²[B]. If [A] is doubled at constant [B], the rate of reaction ______.

The general molecular formula, which represents the homologous series of alkanols is __________.

\[\ce{NaOH + SO2 -> X + H2O}\]

\[\ce{X + H2O + SO2 -> Y}\]

Identify X and Y.

IUPAC name of the following compound is:

\[\begin{array}{cc}
\ce{CH3 - CH - CH3}\\
|\phantom{..}\\
\ce{C2H5 - N - CH3}\phantom{..}
\end{array}\]

Conductivity of KCI solution is 0.0027 Ω⁻¹ m⁻¹ at 25°C. The resistance of the solution is 82.4 Ω. The cell constant is ____________ m⁻¹.

Which of the following monosaccharide is a ketohexose?

Identify coefficients 'x' and 'y' for the following reaction.

\[\ce{{x}H2O2_{(aq)} + ClO^-_{4(aq)} -> 2O2_{(g)} + ClO^-_{2(aq)} + {y}H2O_{(l)}}\]

Which of the following is a weak electrolyte?

The IUPAC name of pyrogallol is ____________.

Which of the following is a mixed ketone?

The molar conductivities at zero concentration for Ca²⁺ and CaCl₂ are 104 and 256.8 Ω⁻¹ cm² mol⁻¹ respectively. The molar conductivity at zero concentration for Cl⁻ is ____________.