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July 2nd, 2014, 09:11 AM
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Last year CBSE Board class 12 Chemistry Paper

I am looking for question paper for chemistry subject of CBSE Board class 12th examination in PDF format ?

Here I am giving you question paper for chemistry subject of CBSE Board class 12th examination


(1) Why is ferric chloride preferred over potassium chloride in case of a cut leading to bleeding? 1
(2) Why does a tetrahedral complex of the type [MA2 B2] not show geometrical isomerism? 1
(3) How do you account for the miscibility of ethoxyethane with water. 1
(4) Give the IUPAC name of the organic compound 1
O
II
CH C CH C ) CH ( 3 2 3
− − =
(5) Name the monomers of nylon 2 or nylon 6 ploymer. 1
(6) Give one example of an artificial sweetener used by the diabetic patients. 1
(7) Direct nitration of aniline is not carried out. Explain why? 1
(8) What type of linkage holds together the monomers of D.N.A.? 1

10. Analysis shows that a metal oxide has the empirical formula M0.96 O1.00. Calculate the percentage of M2+ and M3+
ions in this crystal? 2
OR
In an ionic compound the anion (N¯) form cubic close type of packing. While the cation (M+) ions occupy one
third of the tetrahedral voids. Deduce the empirical formula of the compound and the coordination number
of (M+) ions.










Last edited by Neelurk; February 27th, 2020 at 10:34 AM.
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