Question

a)State and explain the rules for filling of orbitals in an atom.
b)Explain different quantum numbers with example
OR
c) a)A compound on analysis found to contain following percentage compostion:
Na=43.4%,C=11.4% and O=45.3%. Determine the empirical formuala and molecular formula.
Given the relative molecular mass of the compound is 106.
26.a)Consider the following species.
N', OP,F ,Mg2+, Na,A1
i) What is common in them?Define it.
ii)Arrange them in the order of increasing ionic radij
b)Would you expect the first ionization enthalpies for two isotopes of the same element to be same or different
justify your answer.
OR
c)Balance the following ionic equations by ion electron method
i)H2O2(aq) +Fe (ag)
Fe" (aq) + H20 (in acidic medium)
d)Balance the following reaction by oxidation number method:
i)P49) + OH(aq) - PH3(g) +H2PO2 (aq)
27.a i) Saline hydrides ii)Water gas shift reaction
iii) What do you mean by autopyrolysis of water and its signifance 320 665
OR
b)In the estimation of sulphur by carius method 0.468 g of an organic sulphur compound afforded
0.668 Of barium suphate.Find out the percentage of sulphur in the given compound 282
233
V Multinle choice question
10%​

Answer 1

Answer:

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