Microbial nitrogen cycle

Front

What is the oxidation state of nitrogen in ammonia (NH₃)?

Back

-3

Front

What is the oxidation state of nitrogen in nitrate (NO₃⁻)?

Back

+5

Front

What is the oxidation state of nitrogen in nitrite (NO₂⁻)?

Back

+3

Front

What is the oxidation state of nitrogen in molecular nitrogen (N₂)?

Back

0

Front

In the process of nitrification, ammonia (NH₃) is converted to which compound with a higher oxidation state?

Back

Nitrite (NO₂⁻)

Front

Which nitrogen compound has an oxidation state of +4?

Back

Nitrogen dioxide (NO₂)

Front

Which process reduces the oxidation state of nitrogen from +5 to 0?

Back

Denitrification

Front

What is the oxidation state of nitrogen in hydroxylamine (NH₂OH), an intermediate in ammonia oxidation?

Back

-1

Front

Which process changes nitrogen from the oxidation state 0 to -3?

Back

Nitrogen fixation

Front

In which nitrogen compound is the nitrogen oxidation state +2? Options: Nitric oxide (NO), Nitrite (NO₂⁻), Ammonia (NH₃), Nitrous oxide (N₂O)

Back

Nitric oxide (NO)