CHEMISTRY (LECTURE-3)

LECTURE-1

Knowing that the chemistry of lanthanoids (Ln) is dominated by its +3 oxidation state, which of the following statement is incorrect?

For an element with configuration 5s^(2)4d^(10)5p^(3) the chemistry is likely to be similar to that of

A question bank has questions of Physics and Chemistry. The number of questions of Chemistry are 3.5 times the number of questions of Physics. If there are 90 questions in the question , bank find the number of questions of Physics and Chemistry in the question bank .

Chemistry in Everyday life

If in a class there are 200 students in which 120 take Mathematics, 90 take Physics, 60 take Chemistry, 50 take Mathematics & Physics, 50 take Mathematics & Chemistry, 43 take Physics & Chemistry and 38 take Mathematics Physics & Chemistry, then the number of students who hace taken exactly one subject is

In a class of 175 students the following data shows the number of students opting one or more subjects Mathematics 100, physics 70, chemistry 28, physics and Chemistry 23, mathematics and chemistry 28 , mathematics and physics 30 , mathematics physics and chemistry 18. how many students have offered mathematics alone ?

In how many ways can 5 professors of physics and 3 professors of chemistry be seated on a round table if (i) Professor A.K. Goel and Dr. Agrawal are not adjacent ? (ii) No professors of chemistry are adjacent ?

Explain the term 'Organic Chemistry'. State the 'Natural sources' & 'Importance of organic compounds.

Surface chemistry