Advertisements
Advertisements
Question
Identify the following reaction as either oxidation or reduction:
Fe3+ + e- → Fe2+
Solution
Reduction
APPEARS IN
RELATED QUESTIONS
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
Element X is a metal with a valency 2. Element Y is a non metal with a valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
How are X-rays produced?
State one observation which shows that atom is not indivisible.
What do you think would be the observation of `alpha` particle scattering experiment if carried out on (i) heavy nucleus like platinum (ii) light nuclei like litheum.
How does the Modern atomic theory contradict and correlate with Dalton's atomic theory?
\[\ce{^24_12Mg}\] and \[\ce{^26_12Mg}\] are symbols of isotopes of magnesium.
(a) Compare the atoms of these isotopes with respect to :
i. the composition of their nuclei
ii. their electronic configurations
(b) Give reasons why the two isotopes of magnesium have different mass numbers.
Elements with stable electronic configurations have eight electrons in their valence shell. They are ______.
______ is the only noble gas that does not have eight electrons in its valence shell.