1. C2H5––C2H5
2. C2H5COOH
3. C6H5NH2
4. C2H5COC2H5
C2H5COC2H5
1. dil. KMnO4
2. conc. H2SO4
3. AgNO3in ammonia
4. Br2in CCl4
AgNO3in ammonia
1. 1 ppm
2. 100 ppm
3. 10000 ppm
4. 10,0000 ppm
10000 ppm
1. mordant dye
2. nitro dye
3. acid dye
4. basic dye
acid dye
1. 1s2, 2s22p6, 3s23p6
2. 1s2, 2s22p6, 3s23p3
3. 1s2, 2s22p6, 3s23p1
4. 1s2, 2s22p6, 3s23p4
1s2, 2s22p6, 3s23p6
1. 1.5 x 10-11M
2. 9 x 10-10M
3. 3.9 x 10-12M
4. 2.6 x 10-11M
9 x 10-10M
1. CH3COOH
2. CH3CHO
3. CH3COCH3
4. none of these
CH3CHO
1. 1.2 x 10-20g
2. 2.4 x 10-21g
3. 4.72 x 1023g
4. 1.4 x 10-21g
1.4 x 10-21g
1. Cassiterite
2. Magnetite
3. Galena
4. Copper pyrite
Magnetite
1. HI
2. H3PO3
3. HNO3
4. HIO3
HI