MCQ
The false statement about iron $(III)$ hydroxide is that
- Ait is a weaker base than $Fe(OH)_2$
- ✓with concentrated $KOH$, it forms a complex $K_3[Fe(OH)_6]$
- Cit gradually loses water and transforms into $Fe_2O_3$
- DNone of these
✓
Answer
Correct option: B.
with concentrated $KOH$, it forms a complex $K_3[Fe(OH)_6]$
b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
$3\, mole\, N_2H_4$ will lose $30 \,mole$ electrons to give new compound. Calculate oxidation state of $N$ in new compound? (Oxidation state of $H$ remains unchanged)
→Assertion : Sulphuric acid is more viscous than water.
Reason : Concentrated sulpuric acid has a great affinity for water.
The ionization energy of boron is less than that of beryllium because
Which will make basic buffer?
On electrolysis, $1\,mole$ of aluminium will be deposited from its molten salt by
→The reaction, $X \to $product follows first order kinetics. In $40$ minutes the concentration of $X $ changes from $0.1\,M$ to $0.025\,M$ Then the rate of reaction when concentration of $X$ is $0.01\,M$
→The absolute configurations of the two centers in the following molecule are
Which of the following give ${H_2}$ gas with $Na$
→The molal boiling point constant for water is ${0.513\,^o}C\,kg\,mo{l^{ - 1}}$. When $0.1 $ mole of sugar is dissolved in $200\,ml$ of water, the solution boils under a pressure of one atmosphere at ......... $^oC$.
→Which one of the following reactions is most suitable for the preparation of $n-$ propyl benzene
→