Number of moles of MnO₄⁻ required to oxidize one mole of ferrous oxalate
Number of moles of MnO₄⁻ required to oxidize one mole of ferrous oxalate completely in acidic medium will be Options…
7 years ago
Memory
The radius of hydrogen atom in the ground state is 0.53 Å. The radius
The radius of hydrogen atom in the ground state is 0.53 Å. The radius of Li2+ ion (atomic number =…
7 years ago
What is the [OH⁻] in the final solution prepared by mixing 20 mL of 0.05 M Hcl
What is the [OH⁻] in the final solution prepared by mixing 20 mL of 0.05 M Hcl with 30 mL…
7 years ago
Equal volumes of 0.1 M AgNO₃ and 0.2 M NaCl are mixed
Equal volumes of 0.1 M AgNO₃ and 0.2 M NaCl are mixed. The concentration of NO₃⁻ ions in the mixture…
7 years ago
6.02 x 10²° molecules of urea are present in 100 mL of its solution
6.02 x 10²° molecules of urea are present in 100 mL of its solution. The concentration of the solution is…
7 years ago
In hydrogen atom, energy of first excited state is –3.4 eV. Find out KE
In hydrogen atom, energy of first excited state is –3.4 eV. Find out KE of the same orbit of Hydrogen…
7 years ago
The electronic configuration of four elements are given below. Which elements does
The electronic configuration of four elements are given below. Which elements does not belong to the same family as others…
7 years ago
Which one of the elements has the highest ionisation energy?
Which one of the elements has the highest ionisation energy? Options (a) [Ne] 3s²3p¹ (b) [Ne] 3s²,3p² (c) [Ne] 3s²,3p³…
7 years ago
Which one of the following pairs is isostructural – same shape and hybridization
Which one of the following pairs is isostructural (i.e., having the same shape and hybridization)? Options (a) [BCl₃ and BrCl₃⁻]…
7 years ago
Which of the following is electron-deficient?
Which of the following is electron-deficient? Options (a) (SiH₃)₂ (b) (BH₃)₂ (c) PH₃ (d) (CH₃)₂ Correct Answer: (BH₃)₂Explanation:Electron deficient molecules…
7 years ago