Assertion : Catenation tendency is weaker in nitrogen.
Reason : Nitrogen exists as diatomic gas.

Assertion : Plants absorb nitrogen in the form of nitrates only. Reason : Nitrogen is the most critical element.

Assertion : Nitrogen has higher first ionization energy than that of oxygen. Reason : Nitrogen gas has smaller atomic size than that of oxygen.

Define catenation. How it vary it nitrogen family.

Assertion : Nitrogen cycle is a perfect cycle. Reason : Nitrogen remains in circulation more or less uniformly.

Assertion A : Only some micro organisms can fix atmospheric nitrogen. Reason R : Nitrogen is present abundantly in atmopshere.

Assertion (A): Nitrogen has diamagnetic in nature. Reason (R): Nitrogen has chemically active element.

Assertion (A): Nitrogen has diamagnetic in nature. Reason (R): Nitrogen has chemically active element.

Assertion: Effusion rate of oxygen is smaller than nitrogen. Reason: Molecular size of nitrogen is smaller than oxygen.