Ph-CH=CH-COOH 

The IUPAC name is:

1. 3-Phenyl prop-2-enoic acid

2. 3-Phenol prop-1-enoic acid

3. 3-Carboxy-prop-1-ene benzene

4. But-2-enoic acid

The IUPAC name iS'

1. Chloromethylbenzene 

2. Chlorophenylmethane

3. (1) and (2) both

4. None of the above

The reagent that is used to remove ${\mathrm{SO}}_4^{2-}$ and Cl^- is -

1. NaOH             

2. Pb(NO₃)₂

3. BaSO₄             

4. KOH

A substance on treatment with dil. H₂SO₄ liberates a colourless gas which produces (i) turbidity with baryta water and (ii) turns acidified dichromate solution green. The reaction indicates the presence of:

(1) CO3^2-

(2) S^2-

(3) SO3^2-

(4) NO₂^-

The silver sulphate solution is used to separate:

1. nitrate and bromide

2. nitrate and chlorate

3. bromide and iodide

4. nitrate and nitrite

Soda extract is prepared by-

1. Fusing soda and mixture of hydrocarbons, and then extracted with water

2. Dissolving NaHCO₃ and mixture of hydrocarbons in dil. HCl

3. Boiling Na₂CO₃ and mixture of hydrocarbons in dil. HCl

4. Boiling Na₂CO₃ and mixture of hydrocarbons in distilled water

The most stable carbocation among the following is:

1.		2.
3.		4.

The compound which forms one monochloro product when treated with chlorine is:

(1) n-pentane

(2) isopentane

(3) neo-pentane

(4) None of these

Among the following anions (a) CH₃, (b) NH₂, (c) OH^-, (d) F^-, the order of basicity is:

1. a > b > c > d

2. b > a > c > d

3. c > b > a > d

4. c > a > b > d

The electromeric effect in organic compounds is a

1. Temporary effect

2. Permanent effect

3. Electromeric effect is only observed in inorganic molecules

4. None of the above