What is the Valency of Bromine?

What is the Valency of Bromine? Valency is defined as the combined power of an element and is determined by the number of valence electrons in the outermost shell of an element. Bromine is an element that belongs to the halogen family with atomic number 35. Bromine has 7 valence electrons and the valency of … Read more

What Are Electrophiles And Nucleophiles? Explain With Examples

What Are Electrophiles And Nucleophiles? Explain With Examples 1. An electrophile is a reagent that takes away an electron pair. In other words, an electron-seeking reagent is called an electrophile (E+). 2. Electrophiles are electron deficient and can receive an electron pair. 3. Carbocations and neutral molecules having functional groups such as the carbonyl group … Read more

Species Diversity Decreases As We Move Away From The Equator Towards The Poles. What Could Be The Possible Reasons?

Species Diversity Decreases As We Move Away From The Equator Towards The Poles. What Could Be The Possible Reasons? Species diversity decreases as we move from the equator towards the poles because sunlight is less visible due to slanting rays of the sun but the equator possesses straight rays of sunlight due to which vegetation … Read more

Which Of The Following Exhibits Biomagnification?

Which Of The Following Exhibits Biomagnification? A. SO2 B. Mercury C. DDT D. Both b & c Biomagnification refers to the accumulation of non-biodegradable toxic materials like mercury and DDT, in different trophic levels. The amount of non-biodegradable toxic materials increases at each successive trophic level of the food chain.

According to MO Theory

According to MO Theory (a) O2^+ is paramagnetic and bond order greater than O2  (b) O2+ is paramagnetic and bond order less than O2 (c) O2+ is diamagnetic and the bond order is less than O2 (d) O2+ is diamagnetic and the bond order is more than O2 Correct option   (a) O 2 +  is … Read more