Advertisements
Advertisements
Question
Complete and balance the following equation:
\[\ce{K + H2O -> }\]________+ ________
Advertisements
Solution
\[\ce{2K + 2H2O →\underline{2\text{KOH}} + \underline{\ce{H2}}}\]
APPEARS IN
RELATED QUESTIONS
Which of the statements about the reaction below are incorrect?
\[\ce{2PbO(s) + C(s) → 2Pb(s) + CO2(g)}\]
- Lead is getting reduced.
- Carbon dioxide is getting oxidised.
- Carbon is getting oxidised.
- Lead oxide is getting reduced.
Identify the component oxidised in the following reaction:
H2S + Cl2 → S + 2HCl
In the context of redox reactions, the removal of hydrogen from a substance is known as:
(a) oxidation
(b) dehydration
(c) reduction
(d) dehydrogenation
Define redox reaction.
The colours of aqueous solutions of CuSO4 and FeSO4 as observed in the laboratory are:
(A) pale green and light blue respectively
(B) light blue and dark green respectively
(C) dark blue and dark green respectively
(D) dark blue and pale green respectively
Is it essential that oxidation and reduction must occur side by side in a chemical reaction? Explain
Name:
a substance that will reduce aqueous Iron(III)ions to iron(II)ions.
Complete and balance the following equation:
Fe + H2O →___________+____________
Identify the oxidising agent (oxidant) in the following reactions
`"CuSO"_4 + "Zn" -> "Cu" + "ZnSO"_4`
Find the oxidation number of the element in the following compound.
Ca in CaH2
