Assertion : Ozone is an allotrope of oxygen.

Reason : Oxygen is bluish colour liquid and in singlet state it is more paramagnetic.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Assertion : SnI₄ is an orange solid.

Reason : The colour arises due to charge transfer.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Assertion : Magnetic moment of Dy is the highest among the lanthanoids.

Reason : Orbital motion contributes magnetic moment.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Assertion : The kinetics of the reaction

mA + nB + pC → m'X + n'Y + p'Z

obeys the reaction as- $\frac{\mathrm{dx}}{\mathrm{dt}}$ = k[A]^m[B]ⁿ

Reason : The rate of reaction does not depend upon the concentration of C.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

In the following sequence of the reactions, what is D ?

• Primary amine

• An amide

• Phenyl isocyanate

• A chain lengthed hydrocarbon

CH₃OC₂H₅ and (CH₃)₃C-OCH₃ are treated with hydroiodic acid. The fragments after reactions obtained are

• CH₃I + HOC₂H₅; (CH₃)₃C-I + HOCH₃

• CH₃OH + C₂H₅I; (CH₃)₃Cl + HOCH₃

• CH₃OH + C₂H₅; (CH₃)₃C-OH + CH₃I

• CH₃I + HOC₂H₅; CH₃I + (CH₃)₃C-OH

47.

Which of the following amines will not give N₂ gas on treatment with nitrous acid (NaNO₂ + HCl)?

• C₂H₅NH₂

• CH₃NH₂

• (CH₃)₂CH-NH₂

• All will give N₂

On mercuration and demercuration, the following compound gives

• 

• 

• 

• None of these

The product obtained is/are

• o-product

• m-product

• o- and p-products

• o-, m- and p-products

Benzoic acid is treated with lithium aluminium hydride. The compound obtained is

• benzaldehyde

• benzyl alcohol

• toluene

• benzene