The most stable diazonium salt among the following is: 

1. \(CH_{3}N_{2}^{+}X^{-}\)

2. \(C_{6}H_{5}N_{2}^{+}X^{-}\)

3. \(CH_{3}CH_{2}N_{2}^{+}X^{-}\)

4. \(C_{6}H_{5}CH_{2}N_{2}^{+}X^{-}\)

D(+) glucose yields an oxime with hydroxyl amine. The structure of the oxime would be:

1.		2.
3.		4.

Which of the following hormones is produced under the condition of stress which stimulates glycogenolysis in the liver of human being?

1. Thyroxin

2. Insulin

3. Adrenaline

4. Estradiol

The example of a thermosetting polymer among the following options is:

1.
2.
3.
4.

Which of the following organic compounds polymerizes to form the polyester Dacron?

1. Propylene and para $HO-\left(C_6{H}_4\right)-OH$

2. Benzoic acid and ethanol 

3. Terephthalic acid and ethylene glycol

4. Benzoic acid and para $HO-\left(C_6{H}_4\right)-OH$

Which one of the following is not a common component of Photochemical Smog?
1. Ozone
2. Acrolein
3. Peroxyacetyl nitrate
4. Chlorofluorocarbons

In Kjeldahl’s method for estimation of nitrogen present in the soil sample, ammonia evolved from 0.75g of sample neutralized 10ml of 1M H₂SO₄. The percentage of nitrogen in the soil is:

The product(s) that are formed when the given compound is treated with Br₂ in the presence of FeBr₃ are:
 

1.		2.	and
3.	and	4.	and

When hydrolyzed with aqueous KOH, compounds that undergoes racemization are:

(i)		(ii)	CH3CH2CH2Cl
(iii)		(iv)

Which of the following set of reactants produces Anisole?

1. CH₃CHO ; RMgX

2. C₆H₅OH ; NaOH ; CH₃l

3. C₆H₅OH ; neutral FeCl₃

4. C₆H₅ - CH₃ ; CH₃COCl ; AlCl₃