The standard emf of galvanic cell involving 3 moles of electrons in its redox
The standard emf of galvanic cell involving 3 moles of electrons in its redox reaction is 0.59 V. The equilibrium…
7 years ago
Chemistry
In electrolysis of NaCl when Pt electrode is taken then H₂ is liberated at cathode
In electrolysis of NaCl when Pt electrode is taken then H₂ is liberated at cathode while with Hg cathode it…
7 years ago
The crystal structure of solid Mn(II) oxide is
The crystal structure of solid Mn(II) oxide is Options (a) NaCl structure (b) Fe₂O₃ structure (c) CaF₂ structure (d) Na₂O…
7 years ago
The pyknometric density of sodium chloride crystal is 2.165 x 10³ kg m⁻³,
The pyknometric density of sodium chloride crystal is 2.165 x 10³ kg m⁻³, while its X-rays density is 2.178 x…
7 years ago
In which of the following hydrocarbons, hydrogen is most acidic
In which of the following hydrocarbons, hydrogen is most acidic Options (a) CH₂=CH₂ (b) CH≡CH (c) CH₃ -CH₃ (d) none…
7 years ago
Both ethan and methane can be obtained in one step reaction from
Both ethan and methane can be obtained in one step reaction from Options (a) CH₃OH (b) C₂H₅OH (c) CH₃Br (d)…
7 years ago
Gasoline is a mixture of hydrocarbons containing
Gasoline is a mixture of hydrocarbons containing Options (a) C₃ to C₅ carbon atoms (b) C₇ anf C₉ carbons atoms…
7 years ago
If we want to study relative arrangement of atoms in a molecule we study
If we want to study relative arrangement of atoms in a molecule we study Options (a) empirical formula (b) molecular…
7 years ago
The correct order of stability of the superoxides is
The correct order of stability of the superoxides is Options (a) KO₂ > RbO₂ > CsO₂ (b) KO₂ > CsO₂…
7 years ago
Which of the following higher hydration energy
Which of the following higher hydration energy Options (a) MgCl₂ (b) CaCl₂ (c) BaCl₂ (d) SrCl₂ Correct Answer: MgCl₂Explanation:No explanation…
7 years ago