Which one of the following oxides is expected to exhibit paramagnetic behaviour?
Which one of the following oxides is expected to exhibit paramagnetic behaviour? Options (a) CO₂ (b) SiO₂ (c) SO₂ (d)…
8 years ago
Chemistry
Which of the following species has four lone pairs of electrons?
Which of the following species has four lone pairs of electrons? Options (a) I (b) O⁻ (c) Cl⁻ (d) He…
8 years ago
Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is :
Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is : Options (a) Ca <…
8 years ago
Which one of the following elements has the maximum electron affinity?
Which one of the following elements has the maximum electron affinity? Options (a) F (b) Cl (c) Br (d) I…
8 years ago
Which of the following is a pair of isoelectronic species?
Which of the following is a pair of isoelectronic species? Options (a) Cl₂O₃, ICl₂⁻ (b) ICl₂⁻, CIO₂ (c) IF₂⁺, I₃⁻…
8 years ago
An organic compound containing C, H, N gave the following analysis
An organic compound containing C, H, N gave the following analysis: C=40%; H=13.33%; N=46.67%. Its empirical formula would be Options…
8 years ago
Considering the state of hybridization of carbon atoms, find out the molecule
Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear? Options (a)…
8 years ago
An organic compound containing C, H and O gave the following analysis
An organic compound containing C, H and O gave the following analysis: C=40%; H=6.66%; Its empirical formula would be Options…
8 years ago
Identify the correct order of the size of the following elements:
Identify the correct order of the size of the following elements: Ca, K, Ar,Cl,S Options (a) Ca²⁺< K⁺< Ar <…
8 years ago
A bromoalkane contains 35% carbon and 6.57% hydrogen by mass. Calculate the empirical
A bromoalkane contains 35% carbon and 6.57% hydrogen by mass. Calculate the empirical formula of this bromoalkane. Options (a) CH₂Br…
8 years ago