MyQuestionIcon

3

You visited us 3 times! Enjoying our articles? Unlock Full Access!

Chemical Properties of Alkanes

Mg + 2H+ → Mg...

Question

$M g + 2 H^{+} \to M g^{2 +} + H_{2}$

In the above reaction, which one of the following is oxidised?

A

M g

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

H^{+}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

M g^{2 +}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

None of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $M g$
The oxidation number of Mg increases from 0 to +2. Thus, Mg is oxidized.
The oxidation number of hydrogen decreases from 0 to -1. Thus hydrogen is reduced.

Suggest Corrections

thumbs-up

0

Similar questions

Q. In the following reaction, the correct statements are:

M g + 2 H^{+} \to M g^{2 +} + H_{2}

M g

is a reducing agent,

H^{+}

is an oxidising agent.
2.

M g

is oxidising agent,

H^{+}

is a reducing agent.

Q. In the following reaction, identify the species oxidised, the species reduced, the oxidising agent and the reducing agent:

2 H^{+} + M g \to M g^{2 +} + H_{2}

Q. Refer to the following experimental data.

Half Reaction	Eo
I. $M g \to {M g}^{2 +} + 2 e^{-}$	2.37V
II. $M n \to {M n}^{2 +} + 2 e^{-}$	1.03V
III. $H_{2} \to 2 H^{+} + 2 e^{-}$	0.00V
IV. $C u \to {C u}^{2 +} + 2 e^{-}$	-0.16V

What will be the standard reduction potential for the reaction:

M g + M n^{2 +} \to M g^{2 +} + M n

Half Reaction	Eo
I. $M g \to {M g}^{2 +} + 2 e^{-}$	2.37V
II. $M n \to {M n}^{2 +} + 2 e^{-}$	1.03V
III. $H_{2} \to 2 H^{+} + 2 e^{-}$	0.00V
IV. $C u \to {C u}^{2 +} + 2 e^{-}$	-0.16V

From the above experimental data which of the following represents a spontaneous process?

Q. Refer to the following experimental data.

Half Reaction	$E_{o}$
I. $M g \to {M g}^{2 +} + 2 e^{-}$	2.37V
II. $M n \to {M n}^{2 +} + 2 e^{-}$	1.03V
III. $H_{2} \to 2 H^{+} + 2 e^{-}$	0.00V
IV. $C u \to {C u}^{2 +} + 2 e^{-}$	-0.16V

Which of the following reactions is spontaneous?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Chemical properties of alkanes

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Chemical Properties of Alkanes

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon