WBJEE · Chemistry · d and f Block Elements
Anhydrous ferric chloride is prepared by
- A Dissolving \(\mathrm{Fe}(\mathrm{OH})_3\) in concentrated \(\mathrm{HCl}\)
- B Dissolving \(\mathrm{Fe}(\mathrm{OH})_3\) in dilute \(\mathrm{HCl}\)
- C Passing dry \(\mathrm{HCl}\) over heated iron scrap
- D Passing dry \(\mathrm{Cl}_2\) gas over heated iron scrap
Answer & Solution
Correct Answer
(D) Passing dry \(\mathrm{Cl}_2\) gas over heated iron scrap
Step-by-step Solution
Detailed explanation
Hints: \(2 \mathrm{Fe}+3 \mathrm{Cl}_2 \stackrel{\Delta}{\longrightarrow} 2 \mathrm{FeCl}_3\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Arrange the following in order of increasing mass
I. 1 mole of \(\mathrm{N}_2\)
II. \(0.5 \mathrm{~mole}^2\) of \(\mathrm{O}_3\)
III. \(3.011 \times 10^{23} \mathrm{molecules}\) of \(\mathrm{O}_2\)
IV. 0.5 gram atom of \(\mathrm{O}_2\)WBJEE 2023 Easy -
' \(\underline{\mathrm{G}}\) ' in the above sequence of reactions isWBJEE 2023 Hard - When aniline is nitrated with nitrating mixture in ice cold condition, the major product obtained isWBJEE 2013 Medium
- The boiling point of the water is higher than liquid \(\mathrm{HF}\). The reason is thatWBJEE 2022 Medium
- The most contributing tautomeric enol form of \(\mathrm{MeCOCH}_{2} \mathrm{CO}_{2} \mathrm{Et}\) isWBJEE 2012 Easy
- A \(100\) mL, \(0.1=\mathrm{M}\) solution of ammonium acetate is diluted by adding \(100 \mathrm{mL}\) of water. The pH of the resulting solution will be \(\left(p K_{a}\right.\) of acetic acid is nearly equal to \(\mathrm{pK}_{b}\) of \(\mathrm{NH}_{4} \mathrm{OH}\) )WBJEE 2012 Medium
More PYQs from WBJEE
-
The variation of electric field along the \(Z\)-axis due to a uniformly charged circular ring of radius ' \(a\) ' in \(X Y\) plane is shown in the figure. The value of coordinate \(M\) will beWBJEE 2021 Medium - Which of the following will decrease the \(\mathrm{pH}\) of a \(50 \mathrm{ml}\) solution of \(0.01 \mathrm{M} \mathrm{HCl}\) ?WBJEE 2009 Hard
- A small mass \(m\), attached to one end of a spring with a negligible mass and an unstretched length \(L\), executes virtual oscillation with angular frequency \(\omega_{0}\). When the mass is rotated with an angular speed \(\omega\) by holding the other end of the spring at a fixed point, the mass moves uniformly in a circular path in a horizontal plane. Then the increase in length of the spring during the rotation isWBJEE 2013 Hard
- The remainder obtained when \(1 !+2 !+3 !+\ldots+11 !\) is divided by 12 isWBJEE 2014 Medium
- From the point \((-1,-6)\), two tangents are drawn to \(y^2=4 x\). Then the angle between the two tangents isWBJEE 2022 Easy
- \(\lim _{x \rightarrow 0}(\sin x)^{2 \tan x}\) is equal toWBJEE 2017 Medium