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12 grade chemistry others

Oxocations are formed by:A) LanthanidesB) ActinidesC) Noble gasesD) Alkali metals

Aniket Singh

1 Year agoGrade

1 Answer

Askiitians Tutor Team

1 Year ago

Oxocations, also known as oxoanions, are polyatomic ions composed of elements bonded to oxygen atoms. These ions typically have a central atom surrounded by oxygen atoms, and the oxidation state of the central atom determines the overall charge of the ion.

Out of the options you've provided:

A) Lanthanides - Lanthanides are a series of elements in the periodic table, but they do not typically form oxocations themselves. They are more known for forming compounds with ligands and coordinating atoms.

B) Actinides - Actinides are also a series of elements that are more known for their radioactive properties. Like lanthanides, they are not typically associated with the formation of oxocations.

C) Noble gases - Noble gases are chemically inert and do not readily form compounds or ions, so they do not form oxocations.

D) Alkali metals - Alkali metals are elements in Group 1 of the periodic table, and they can form various compounds and ions. Some alkali metals can indeed form oxocations. For example, sodium (Na) can form the sodium ion (Na+), which is a cation and not an oxocation, while the more electronegative elements like oxygen tend to form anions when combined with alkali metals.

So, among the options provided, D) Alkali metals is the most relevant choice in the context of forming oxocations.

is Pradeep Chemistry+Ncert sufficient for all of the theory of Jee Mains Chemistry?

Hi, I’m a self-study JEE 2027 aspirant with a large 11th backlog. Since I don’t think 6–8 hour one-shots are sufficient to cover the full theory + breadth of problem types of a JEE chapter, I’ve shifted from lecture-based preparation to book-based self-study.

I have a problem with using NCERT as my primary chemistry source. In my experience, it is concise and information-heavy, but often lacks detailed explanations, systematic organisation of concepts, and categorisation of problem types. This seems especially problematic for Physical and Organic Chemistry, where I feel that simply reading NCERT may not give enough depth or problem-solving preparation.

So I’m considering this approach:

Pradeep Chemistry → complete the chapter thoroughly from Pradeep → then read NCERT for that chapter → solve JEE Main PYQs/problems.

My main question is:

Is Pradeep + NCERT sufficient as the complete theory source for JEE Main-level Chemistry?

In other words, after thoroughly completing a chapter from Pradeep and then NCERT, can I consider the theory part of that chapter complete for JEE Main, with only PYQs/problem practice remaining?

I’m asking specifically about JEE Main level, not Advanced.

Also, if Pradeep is not sufficient, what specific gap does it leave, and what would you recommend as a better book-based alternative for self-study?

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