Question
Which of the following sequences correctly represents
the electron affinity of the halogens?Solution
Electron affinity generally increases across a period and decreases down a group due to atomic size and electron-electron repulsion in smaller atoms. Among halogens, chlorine has a higher electron affinity than fluorine due to its larger size allowing easier addition of an electron, making the order I < Br < Cl < F.
The rate expressed as the depth in cm of water out from a given area in 24 hrs. is called as
In 2005, which pathological scientist received the Borlaug Award?
86 Deep sowing of chickpea is better than shallow depth in rainfed areas; which of the following statements not linked with benefits of deep sowing?
Yellow revolution represents the production of ........................?
Symptom associated with Anthracnose in papayas is
Norman E. Borlaug, a renowned scientist, belongs to which field?
Mass selection is done in plants on the basis of :
The milling and polishing of raw rice reduces riboflavin by
The ICAR was established during which of the following year:
Idioscopus niveosparsus is pest of:
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