Detergents

Q. Which of the following represents a synthetic detergent

1. $C_{15}{H}_{31}COOK$
2. $C{H}_3(C{H}_2{)}_{16}COONa$
3. $C{H}_3(C{H}_2{)}_{10}OS{O}_{3}Na$
4. All

Q.

For the preparation of a detergent 'A' (given below) from benzene, the following steps are involved

1. II, I, III
2. I, II, III
3. I, III, II
4. II, III, I

Q. The detergent used in hair conditioner is

1. $C{H}_3\left(C{H}_2{)}_{15}{N}^{+}\right(C{H}_3{)}_{3}C{l}^{-}$
2. $C{H}_3(C{H}_2{)}_{15}N{H}_2$
3. $C{H}_3(C{H}_2{)}_{15}NHC{H}_3$
4. $C{H}_3\left(C{H}_2{)}_{15}N\right(C{H}_3{)}_2$

Q. Consider the following two statements about soap and detergent –
(i) Soap is natural while detergent is a synthetic product.
(ii) Both soap and detergent precipitate scum in hard water
(iii) Soap is sodium or potassium salt of fatty acids
Which of the above statements is (are) true?

1. (i) and (ii)
2. (ii) and (iii)
3. (iii) and (i)
4. All

Q. Which of the followings is an example of liquid dish washing detergent?

1. $C_{15}{H}_{31}COOK$
2. $C{H}_3-\left(C_6{H}_4\right)-OS{O}_{3}Na$
3. $[C{H}_3-N(C{H}_3{)}_3{]}^{+}B{r}^{-}$
4. $C{H}_3\left(C{H}_2{)}_{16}COO\right(C{H}_{2}C{H}_{2}O{)}_{n}C{H}_{2}C{H}_{2}OH$

Q.

Hardness of water can be detected by using:

1. scum formed by lathering soap.

2. dilute $H_{2}S{O}_4$.

3. $Zn-Cu$ couple.

4. $N{a}_{2}C{O}_3$

Q.

Which of the following has Germicidal property?

1. Anionic detergent

2. Cationic detergent

3. Non ionic detergent

4. None of these

Q. Match the following chemicals with their functions

1. Preserves food
2. Reduces fever
3. Kills bacteria
4. Reduces pain

Q.

Which detergent can cause maximum pollution?

1. CH₃CH(C₄H₉)-CH₂CH₂(C₄H₉)

2. 

3. 

4. None of these

Q. The detergent used in hair conditioner is

1. $C{H}_3\left(C{H}_2{)}_{15}{N}^{+}\right(C{H}_3{)}_{3}C{l}^{-}$
2. $C{H}_3(C{H}_2{)}_{15}N{H}_2$
3. $C{H}_3(C{H}_2{)}_{15}NHC{H}_3$
4. $C{H}_3\left(C{H}_2{)}_{15}N\right(C{H}_3{)}_2$

Q.

The detergent which is used as germicide is?

1. Sodium Lauryl sulphate
2. Cetyltrimethylammonium chloride
3. Lauryl alcohol ethoxylate
4. sodium 2- dodeclylbenzenesulphonate.

Q. Detergents are prepared by the action of $H_{2}S{O}_4$ followed by neutralization by starting with

1. chlorestrol
2. lauryl alcohol
3. cylcohexanol
4. p-nitrophenol.

Q.

Which of the following is an example of non-biodegradable detergent ?

1. 
2. 
3. 
4. $C{H}_3-(C{H}_2{)}_{10}C{H}_{2}OS{o}_{3}Na$