1. Co2+
2. Cu2+
3. Mn2+
4. Se3+
Se<sup>3+</sup>
1. Troposphere
2. Thermosphere
3. Mesosphere
4. Stratosphere
Stratosphere
1. 2-methyl-2-butanol
2. 2-methyl-1-butanol
3. 3-methyl-2-butanola
4. 2-methyl-1-propaanol
2-methyl-1-propaanol
1. silver mirror
2. Lassaigne's
3. Carbylamine
4. Bayer's
Bayer's
1. (CH3)2CCl
2. C2H5Cl
3. (CH3)2CHCl
4. (CH3)2CHCH2Cl
(CH<sub>3</sub>)<sub>2</sub>CHCl
1. CH3COOH
2. C2H6
3. C2H5OC2H5
4. C2H4
C<sub>2</sub>H<sub>4</sub>
1. CH3CH2CH2OH
2. CH3CH(OH)CH3
3. (CH3)2CHCH2OH
4. (CH3)3COH
(CH<sub>3</sub>)<sub>3</sub>COH
1. alcohols
2. ketones
3. ethers
4. aldehydes
ethers
1. C2H5OH
2. CH3COOH
3. C2H6
4. CCl3CHO
CH<sub>3</sub>COOH
1. C2H5OH
2. C2H6
3. CH3CHO
4. CHCl3
CH<sub>3</sub>CHO