Chemistry-1998-Set II

Q3) Write the IUPAC name of [Ni(CN)4]2- ion. (Marks 1)
Ans3) IUPAC name of [Ni(CN)4]2- ion is tetracyanonickelate (II) ion.

Q4) Write the IUPAC name of : (Marks 1)
O

CH3CCHCH3

CH3

Ans4) IUPAC name of
O

CH3CCHCH3 is 3-Methyl-2-butanone.

CH3

Q6) Complete the nuclear reaction expression : (Marks 1)
13AI27(,n)….

Ans6) 13Al27 (,n)15P30

Q9) Why do azo dyes not impart fast colour to fabrics? (Marks 1)
Ans9) Azo dyes do not impart fast colour to fabrics because their interaction with the fabric is one of surface adsorption.

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