Chemistry

Pauling’s electro negativity values for elements are useful in predicting

Pauling's electro negativity values for elements are useful in predicting Options (a) Polarity of the molecules (b) Position in the…

What is the packet of energy called?

What is the packet of energy called? Options (a) Electron (b) Photon (c) Positron (d) Proton Correct Answer: photonExplanation:According to…

The shape of IF₇ molecule is

The shape of IF₇ molecule is Options (a) octahedral (b) trigonal bipyramidal (c) tetrahedral (d) pentagonal bipyramidal Correct Answer: pentagonal…

Which of the following species contains three bond pairs and one lone pair

Which of the following species contains three bond pairs and one lone pair around the central atom? Options (a) H₂O…

In a given atom no two electrons can have the same values for all

In a given atom no two electrons can have the same values for all the four quantum numbers.This is called…

The number of spherical nodes in 3p orbitals are

The number of spherical nodes in 3p orbitals are Options (a) one (b) three (c) none (d) two Correct Answer:…

The pair of species with the same bond order is:

The pair of species with the same bond order is: Options (a) O₂²⁻, B₂ (b) O₂⁺, NO⁺ (c) NO, CO…

Which of othe following is paramagnetic?

Which of the following is paramagnetic? Options (a) O₂⁻ (b) CN⁻ (c) NO⁺ (d) CO Correct Answer: O₂⁻Explanation:O₂⁻ (17) =…

Bond order of 1.5 is shown by:

Bond order of 1.5 is shown by: Options (a) O₂⁺ (b) O₂⁻ (c) O₂²⁻ (d) O₂⁻ Correct Answer: O₂⁻Explanation:No explanation…

Which of the following has the minimum bond length ?

Which of the following has the minimum bond length ? Options (a) O₂⁺ (b) O₂⁻ (c) O₂²⁻ (d) O₂ Correct…