Given the reaction: 4nh3 +5o2 > 4no +6h2o

when 1.20 mole of ammonia reacts, the total number of moles of products formed is:

a. 1.20

b. 1.50

c. 1.80

d. 3.00

e.12.o

3 moles are produced with the reaction of 1.20 mol of NH₃  (Option 3)

Explanation:

The reaction is:

4NH₃  +  5O₂  ⇒  4NO  + 6H₂O

Therefore, 4 moles of ammonia react with 5 moles of oxygen, to produce 4 moles of nitrogen monoxide and 6 moles of water.

Ratio is 4:4 with NO and 4:6 with water.

1.20 mol of ammonia, would produce the same amount of NO and

(1.20 . 6) / 4 = 1.8 moles of water

Sum of moles of products formed is:

1.2 + 1.8 = 3 moles

hydrocarbons are organic compounds that contain only hydrogens and carbons. they can be saturated (those which contain only carbon-carbon single bonds) or unsaturated (those which contain carbon-carbon double or triple bonds) in nature. hydrocarbons can undergo several reactions like substitution, elimination etc.  

on substituting one or more hydrogen atoms in hydrocarbon it results in the formation of haloalkane. as the halogen atoms are large compared to the carbon and hydrogen atoms, due to which the molecular weight increases and the bond become polar because of presence electronegative halogen atom and results in the increase in boiling point of the haloalkane.

thus, the correct option is (b) that is the boiling point of the new compound increases on substituting a hydrogen atom with a halogen in a hydrocarbon.