Hindi, asked by uaaditya21, 2 months ago

'पुरन्दर ने पवि से है लिखा
में 'पुरन्दर' का क्या अर्थ है ?​

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Answered by akkalagovardhan
0

Answer:

Zilla parishad territorial constituency members will get Rs 6,000 per month against the current salary of Rs 2,250. Similarly, the mandal praja parishad members will get Rs 6,000 against the present salary of Rs 1,500.Sep 8, 2015

Answered by vinodvashisth1491981
0

Answer:

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Potassium permanganate

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Potassium permanganate is an inorganic compound with the chemical formula KMnO4 and composed of K+ and MnO−

4. It is a purplish-black crystalline salt, that dissolves in water to give intensely pink or purple solutions.

Potassium permanganateNamesIUPAC name

Potassium manganate(VII)

Other names

Potassium permanganate

Chameleon mineral

Condy's crystals

Permanganate of potash

Hypermangan

Identifiers

CAS Number

7722-64-7 

3D model (JSmol)

Interactive image

ChEMBL

ChEMBL3833305

ChemSpider

22810

DrugBank

DB13831

ECHA InfoCard100.028.874 EC Number

231-760-3

KEGG

D02053 

PubChem CID

516875

RTECS number

SD6475000

UNII

00OT1QX5U4

UN number1490

CompTox Dashboard (EPA)

DTXSID2034839 

InChI

InChI=1S/K.Mn.4O/q+1;;;;;-1 

Key: VZJVWSHVAAUDKD-UHFFFAOYSA-N 

SMILES

[K+].[O-][Mn](=O)(=O)=O

Properties

Chemical formula

KMnO4Molar mass158.034 g/molAppearancePurplish-bronze-gray needles

Magenta–rose in solution[1]OdorodorlessDensity2.7 g/cm3[2]:4.83Melting point240 °C (464 °F; 513 K) (decomposes)

Solubility in water

76 g/L (25 °C)[2]

250 g/L (65 °C)Solubilitydecomposes in alcohol and organic solvents

Magnetic susceptibility (χ)

+20.0·10−6 cm3/mol[2]:4.134

Refractive index (nD)

1.59Structure[3]

Crystal structure

Orthorhombic, oP24

Space group

Pnma, No. 62

Lattice constant

a = 0.909 nm, b = 0.572 nm, c = 0.741 nm

Formula units (Z)

4Thermochemistry

Heat capacity (C)

119.2 J/mol K

Std molar

entropy (So298)

171.7 J K−1 mol−1

Std enthalpy of

formation (ΔfH⦵298)

−813.4 kJ/mol

Gibbs free energy (ΔfG˚)

-713.8 kJ/mol

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