Home
Class 12
CHEMISTRY
Inniting MnO(2) in air converts it quant...

Inniting `MnO_(2)` in air converts it quantitctively to `Mn_(3)O_(4)`. A sample of pyrolusite is of the following composition. `MnO_(2)=80%` and othe inert constituents =15% and rest bearing `H_(2)O`. The sample is ignited to constant weight. What is the % of Mn is the igrited sample.

A

0.594

B

0.55

C

0.568

D

0.586

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • STOICHIOMETRY

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE LEVEL -II (LECTURE SHEET (ADVANCED) MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS)|5 Videos
  • STOICHIOMETRY

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE LEVEL -II (LECTURE SHEET (ADVANCED) LINKED COMPREHENSION TYPE QUESTIONS)|5 Videos
  • STOICHIOMETRY

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-I (MAIN) STRAIGHT OBJECTIVE TYPE QUESTIONS)|15 Videos
  • STATES OF MATTER

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE -PRACTICE SHEET (ADVANCED) (LINKED COMPREHENSION TYPE QUESTIONS) (PASSAGE- IV)|2 Videos
  • SURFACE CHEMISTRY

    AAKASH SERIES|Exercise Objective Excersice - 4 (ASSERTION (A)& REASON (R ) TYPE QUESTION)|34 Videos

Similar Questions

Explore conceptually related problems

10 g sample of H_(2)O_(2) just decolorised 100 ml of 0.1 M KMnO_(4) in acidic medium % by mass of H_(2)O_(2) in the sample is

What is the change in the oxidation state of Mn in the reaction of MnO_(4)^(-) with H_(2)O_(2) in acidic medium?

The pH of a sample of H_(2) SO_(4) is 1.3979 . The percentage of the solution is 73.5 % (w/w) , the density of the solution is

A sample of gascous hydrocarbon occupying 11.2 lit at NTP. When completely burnt in air produced 22 g CO_(2) and 18 g H_(2)O . Calculate the weight of hydrocarbon taken (in grams)?

What is the change in the oxidation state of Mn, in the reaction of MnO_(4)^(-) with H_(2)O_(2) in acidic medium?

H_(2)O_(2(aq)) decomposes to H_(2)O_((l))and O_(2(g)) in a first reaction w.r.t. H_(2)O_(2). The rate constant is k=1.06 xx10^(-3) "min" ^(-1). How long it will take 15% of the sample of defcompose ?

A sample of H_(2)O_(2) is x % by mass. If x ml of KMnO_(4) are required to oxidize 1 gm of this H_(2)O_(2) sample, calculate the normality of KMnO_(4) solution.

A sample of calcium carbonate (CaCO_(3)) has the following percentage composition : Ca = 40 % C = 12 % , O = 48 % . If the law of constant proportions is true , then the weight of calcium in 4 g of a sample of calcium carbonate from another source will be