Question

Find odd one chloride,nitrate,hydride ,ammonium

Answer 1

Very tricky question. Thanks for asking it.
The odd one is Ammonium- NH4

Reason:
Among the give options,
Only Ammonium - NH4 is a positive ion- cation
Remaining all are anions- negative ions.
Chloride- Cl-
Hydride- H-
Nitrate - NO3-

Answer 2

Solution:

The odd one out is AMMONIUM.

AMMONIUM(NH4+) is a cation.



Hydride(H-), nitrate(NO3-), chloride (Cl-) all are anion.


Cation:

A Positively charged ion is known as cation.
A Cation is formed by the loss of one or more electrons by an atom.

Anion:

A negatively charged ion is known as Anion.

An anion is formed by the gain of one or more electrons by an atom.


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Hope this will help you...