Assertion : H₃PO₂ has strong reducing property but H₃PO₄ does not.

Reason : P-OH bond present in H₃PO_4.

• 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 : H₂Se is less acidic than H₂S.

Reason : S is less electronegative than Se.

• 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: Fluorine is a stronger oxidizing agent than iodine.

Reason : Fluorine has greater electronegativity than iodine.

• 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 spectrum of He is expected to be similar to that of hydrogen.

Reason : He⁺ is also one electron system.

• 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: Cl₂, gas bleaches the articles permanently.

Reason : Cl₂ is a strong reducing agent.

• 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

PCl₃ on hydrolysis gives fumes of

• H₃PO₃ + HCl

• H₃PO₄ + HCl

• H₃PO₂ and H₃PO₃

• H₃PO₂ + HCl

First compound of Xe synthesized was

• [XeF]⁺[XePtF₅]^-

• [XeO₂]

• Xe[PtF₆]

• O₂[XeF₆]

The phosphate of a metal has the formula MHPO₄. The formula of its chloride would be

• MCl

• MCl₂

• MCl₃

• M₂Cl₃

The shape and hybridisation of some xenon oxyfluorides are given. Choose the wrong set.

• XeOF₂  - T-Shape-sp³d

• XeOF₄ - Square pyramidal-sp³d²

• XeO₂F₂ - Distorted trigonal bipyramidal-sp³d

• XeO₃F₂- Octahedral-sp³d

Assertion : Helium has the highest value of ionisation energy among all the elements known.

Reason : Helium has the highest value of electron affinity among all the elements known.

• 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.