List of top Chemistry Questions asked in MHT CET

Sodium crystallizes in bcc structure with radius 1.86 \(\times\) 10\(^{-8}\) cm. What is the edge length of unit cell of sodium?

According to Andrews isothermals, at what temperature the carbon dioxide gas starts to condense at 73 atmosphere?

Which of the following is Rosenmund reduction?

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

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

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

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

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?

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

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?

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?

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\(^{-1}\))

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

Which of the following is a character of catalyst?

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

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

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