Question

select odd one out and give reason.
(1) Zn , Fe,Mg and Na
(2) SO2 , H2S , NH3 and CO3. (3) Fe,Zn ,Cu and Mg.
(4) Fe , Pb , Zn and Al

Answer 1

1..na as it have 1 valency than other which have 2 valency
2.. nh3 Same reason

Answer 2

Selection of odd one out from the given series.

(1) Zn, Fe, Mg and Na

• Among the given series sodium is considered as the odd one out.
• The reason is variation in valency. The valency of the given elements are as follows:

1. Zn - 2
2. Fe - 2
3. Mg - 2
4. Na - 1

(2) $SO_2 , H_2S , NH_3 and CO_3$

• Among the given series, $NH_3$ is odd one out.
• It is because it is basic whereas $SO_2, H_2S and CO_3$ are acidic.

(3) Fe, Zn, Cu and Mg

• Among the given series magnesium is considered as the odd one out.
• It is because, it is a S-block elements, whereas others are d-block elements.

(4) Fe, Pb, Zn and Al

• Among the given series Pb is considered as the odd one out.
• It is because Pb doesn't form amphoteric oxides or hydroxides whereas others do.

Learn more about such concept

Tick odd one out and reason

lungs,eyes ,ears,heart

https://brainly.in/question/10423997

Odd one out in burning photosynthesis combustion respiration

https://brainly.in/question/9033687