Mix Test - 10...

The compound benzophenone (C₆H₅COC₆H₅) does not react with

If an allotropic form changes slowly to a stable form, it is called

The number of optical isomers of CH₃CH(OH)CH(OH)CHO is

Which of the following can act both as a Lewis acid and a Lewis base?

The enthalpies of combustion at 25°C of H₂, cyclohexane (C₆H₁₂) and cyclohexene (C₆H₁₀) are -241 kJ/mole, -3920 kJ/mole and -3800 kJ/mole, respectively. The heat of hydrogenation of cyclohexene is

Which of the following statements is TRUE?

If 3 g of helium diffuses from a container in 15 minutes, then the mass of sulphur dioxide diffusing from the same container under identical conditions over the same time interval will be

A reversible chemical reaction (g) ⇌ 2NO (g) + (g) is carried at 400 K with
= 77.2 kJ/mol
= 122 J/K/mol

Which of the following is the correct value (x) for of the reaction?

What is the relation between K_p and K_c in the following reaction?

N₂(g) + 3H₂(g) 2NH₃(g)

Why is the method of hydrogen preparation by action of cold water on potassium not preferred?

In Antarctica, ozone depletion takes place due to the formation of which of the following compounds?

The oxidation state of central metal atom in 'lunar caustic' is

For a first order reaction, the time taken to reduce the initial concentration by a factor of 1/4 is 10 min. The time required to reduce the initial concentration by a factor of 1/16 will be

If k₁ and k₂ are the respective equilibrium constants for the reactions (I) and (II), where (I) is 2NO and (II) is NO, then

Which of the following aldehydes gives a red precipitate on reaction with Fehling solution?