Untitled Document

Question Bank No: 2

1. In Carius tube the compound ClC $H_{2} - COOH$ was heated with fuming ${HNO}_{3}$ and ${AgNO}_{3.}$ After filtration and washing, a white ppt was formed. The ppt. is

a)		AgCl
b)		${AgNO}_{3.}$
c)		${A g_{2} SO}_{4}$
d)		${CH}_{2} (Cl) COOAg$

2. In a Lassaigne's test for sulphur in the organic compound with sodium nitroprusside solution the purple colour formed is due to

a)		${Na}_{4} [Fe (CN)_{5} NOS]$
b)		${Na}_{3} [Fe (CN)_{5} S]$
c)		${Na}_{2} [Fe (CN)_{5} NOS]$
d)		${Na}_{3} [Fe (CN)_{6}]$