Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction.

Formation of ammonium carbamate by reaction of NH<sub>3</sub> with CO<sub>2</sub> is a/an __________ reaction.

Formation of ammonium carbamate by reaction of NH₃ with CO₂ is a/an __________ reaction.

A

Catalytic

B

Exothermic

C

Endothermic

D

Reversible

Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.

A

Reversible

B

Catalytic

C

Exothermic

D

Endothermic

Dehydration of ammonium carbamate to yield urea is a/an __________ reaction.

A

Exothermic

B

Endothermic

C

Autocatalytic

D

Catalytic

With increases in pressure, the conversion of ammonium carbamate into urea

A

Increases

B

Decreases

C

Remains unaltered

D

Can either increase or decrease depends on biuret content

Dehydration of ammonium carbamate produces

A

Urea

B

Biuret

C

Ammonia water

D

None of these

During conversion of ammonium carbamate into urea, presence of large excess of water

A

Increases the yield of urea

B

Adversely affects the yield of urea

C

Reduces the evaporator load by diluting the urea solution

D

Does not affect the yield of urea

Ammonium carbamate decomposition results in which of the mentioned?

A

Urea

B

DDT

C

Ammonium nitrate

D

Ammonium hydroxide

Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following CORRECTLY represents the type of reaction involved?

A

Oxidation reaction

B

Precipitation reaction

C

Combination reaction

D

Combustion reaction

For the reaction, A = X + Y, the respective concentrations are C_A, C_X and C_Y. The forward reaction rate constant is kf and the backward reaction rate constant is kb. Choose the correct statement from the following:
P. At equilibrium, kf C_A > k_B CxCy
Q. If the reaction is irreversible than, kb C_XC_Y = 0
R. The backward reaction rate will essentially be first order, if the forward reaction rate is first order.
S. Activation energy for the first order forward reaction will be independent of temperature.

A

P, Q

B

Q, R

C

R, S

D

Q, S

Consider the following statements regarding di-ammonium phosphate. 1. It’s highly soluble and thus dissolves quickly in soil to release plant-available phosphate and ammonium. 2. DAP fertiliser has to be sprinkled at the time of sowing crops like mustard and wheat. Which of the statements given above is/are correct?

A

1 only

B

2 only

C

Both 1 and 2

D

Neither 1 nor 2

Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction.

Related Questions

Formation of ammonium carbamate by reaction of NH₃ with CO₂ is a/an __________ reaction.