List of top Chemistry Questions asked in MHT CET

How many pi bonds and sigma bonds are present in the following molecule?

Which among the following reactions occurs at the zone of slag formation in extraction of iron by blast furnace?

Which among the following gas is bubbled through the brine solution during the preparation of sodium carbonate in Solvay's process?

Identify the polymer obtained by heating n moles of isobutylene with n moles of isoprene at 100°C in the presence of anhydrous AlCl\(_3\).

In the reaction: \[ N_2 (g) + 3H_2 (g) \rightarrow 2NH_3 (g) \] The rate of disappearance of H\(_2\) is 0.02 M/s. The rate of appearance of NH\(_3\) is:

Which among the following elements is a soft element as compared to others?

Which of the following is Rosenmund reduction?

Enthalpy of fusion and enthalpy of vaporization for water respectively are 6.01 kJ mol\(^{-1}\) and 45.07 kJ mol\(^{-1}\) at 0°C. What is enthalpy of sublimation at 0°C?

The P-P-P bond angle in white phosphorus is

Which of the following statement is NOT correct about solution?

Which of the following changes will cause an increase in vapor pressure of 1 molal aqueous KI solution at the same temperature?

In the reaction: \[ 2 \text{KClO}_3 (s) \rightarrow 2 \text{KCl} (s) + 3 \text{O}_2 (g) \quad \Delta H = -78 \, \text{kJ} \] If 33.6 L of oxygen gas is liberated at S.T.P., what is the mass of KClO\(_3\) produced?

In resonance hybrid of ozone molecule, O-O bond length is

Identify the decreasing order of boiling point of alkanes (i) n-pentane (ii) Isopentane (iii) Neopentane

Methoxy ethane on reaction with hot concentrated HI gives

Which of the following oxyacid of sulfur contains S=S linkage?

Which of the following pairs of solution is isotonic?
(Molar mass of urea = 60, sucrose = 342 g mol\(^{-1}\))

Which of the following is a character of catalyst?

When alkyl halide is boiled with large excess of alcoholic ammonia it forms

An element crystallizes in bcc type of unit cell having atomic radius \( 1.33 \times 10^{-8} \) cm, the edge length of unit cell will be

For the following reaction, the relation between \( \Delta H \) and \( \Delta U \) is
\[ \text{2SO}_3(\text{g}) + \text{O}_2(\text{g}) \rightarrow \text{2SO}_3(\text{g}) \]

Which among the following group -15 elements forms hydrogen bonding in its hydride compounds?

Identify the product C in the following reaction.
\[ \text{CH\(_3\)CH\(_2\)COOH} \xrightarrow{\text{NaOH}} A \xrightarrow{\text{CaO, }\Delta} B \xrightarrow{\text{HNO\(_3\)}} C \]

Which among the following compounds is treated with benzonitrile to obtain benzophenone in dry ether and then acid hydrolysis?

Which polymer is obtained from monomers 3-Hydroxy butanoic acid and 3-Hydroxy pentanoic acid?