An organic compound ‘X’ having molecular formula C₅H₁₀O yields phenyl hydrozone
An organic compound 'X' having molecular formula C₅H₁₀O yields phenyl hydrozone and gives negative response to the Iodoform test and…
7 years ago
D and F Block Elements
Which of these statements about [CO(CN)₆]³⁻ is true
Which of these statements about [CO(CN)₆]³⁻ is true Options (a) [CO(CN)₆]³⁻ has four unpaired electrons and will be in a…
7 years ago
Cobalt(III) chloride forms several octahedral complexes with ammonia.
Cobalt(III) chloride forms several octahedral complexes with ammonia. which of the following will not give test of chloride ions with…
7 years ago
The angular momentum of electron in ‘d’ orbital is equal to
The angular momentum of electron in 'd' orbital is equal to Options (a) √2 h (b) 2√3 h (c) 0h…
7 years ago
Because of lanthanoid contraction,which of the following pairs of elements
Because of lanthanoid contraction,which of the following pairs of elements have nearly same atomic radii?(Numbers in the parenthesis are atomic…
7 years ago
Which of the following processes does not involve oxidation of iron
Which of the following processes does not involve oxidation of iron Options (a) Decolourization of blue CuSO₄ solution by iron…
7 years ago
The number of d-electrons in Fe²⁺(Z=26) is not equal to the number of electrons
The number of d-electrons in Fe²⁺(Z=26) is not equal to the number of electrons in which one of the following…
7 years ago
The reaction of aqueous KMnO₄ with H₂O₂ in acidic conditions gives
The reaction of aqueous KMnO₄ with H₂O₂ in acidic conditions gives Options (a) Mn⁴⁺ and O₂ (b) Mn²⁺ and O₂…
7 years ago
Reason of lanthanoid contraction is
Reason of lanthanoid contraction is Options (a) negligible screening effect of 'f'-orbitals (b) increasing nuclear charge (c) decreasing nuclear charge…
7 years ago
Magnetic moment 2.83 BM is given by which of the following ions
Magnetic moment 2.83 BM is given by which of the following ions Options (a) Ti³⁺ (b) Ni²⁺ (c) Cr³⁺ (d)…
7 years ago