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

Which carbon atoms of α- D glucopyranose and β-D-fructofuranose respectively are linked together to form glycosidic linkage in sucrose?

For the reaction, \[\ce{N2(g) + 3H2(g) -> 2NH3(g); \Delta H}\] is equal to ______.

What will be the concentration of NaCl solution, if the molar conductivity and conductivity of NaCl solution is 124.3 Ω⁻¹ cm² mol⁻¹ and 1.243 × 10⁻⁴ Ω⁻¹ cm² respectively?

Which among the following type of linkages is present in cellulose?

Identify the pair of organic compounds which belongs to homologous series.

Raffinose, sucrose and stachyose are respectively ____________.

Acetic acid is 1.1% dissociated in its 0.1 M solution. What is the equilibrium concentration of H⁺ ions in the solution?

The molar conductance of 0.001 M acetic acid is 50 ohm⁻¹ cm² mol⁻¹. The limiting molar conductance is 250 ohm⁻¹ cm² mol⁻¹. What is its degree of ionization?

Prolonged heating of glucose with hot HI results in the formation of ____________.

In group 16, atomic radii ____________ down the group while atomic radii ____________ across a period.

The hybridization of cobalt in [CoF₆]³⁻ and [Co(NH₃)₆]³⁺ are ____________ respectively.

All these carbohydrates contain \[\ce{1 -> 4β}\] glycosidic linkage, EXCEPT ____________.

Which one of the following is NOT an intensive property?

The molar conductances at infinite dilution `(∧_0)` for electrolytes B⁺A⁻ and C⁺A⁻ are 140 and 120 S cm² mol⁻¹. The molar conductance at infinite dilution for B⁺X⁻ is 198 S cm² mol⁻¹. The `∧_0` (in S cm² mol⁻¹) of C⁺X⁻ is __________.

4-O-(α-D-Glucopyranosyl)-D-glucopyranose is ____________.

The formula for percentage atom economy is:

`("Formula weight of the desired product")/("'X'") xx 100`

Here, 'X' is ____________.

If excess of AgNO₃ solution is added to 100 mL of 0.024 M solution of dichlorobis (ethylene diamine) cobalt (III) chloride, how many moles of AgCl will be precipitated?

A gaseous hypothetical chemical equation \[\ce{2A ⇌ 4B + C}\] is carried out in a closed vessel. The concentration of B is found to increase by 5 × 10⁻³ mol dm⁻³ in 10 second. The rate of ____________.

Mandelonitrile is obtained by the reaction between hydrogen cyanide and ______.

What is the percentage of carbon in urea?

(Atomic mass C = 12, H = 1, N = 14, O = 16)