Equanil is an example of:

1) artificial sweeteners
2) tranquilisers
3) antihistamines
4) antifertility drugs

Among the following, identify the species with an atom in +6 oxidation state.

1) [MnO₄]⁻
2) [Cr(CN)₆]³⁻
3) Cr₂O₃
4) CrO₂Cl₂

At temperature TK, K_p for the reaction of CO₂ with excess of hot graphite to form CO is 9 atm. Calculate the mole% of CO in the equilibrium mixture of gases at a pressure of 4 atm?

1) 55%
2) 25%
3) 30%
4) 75%

A reagent used to test the presence of Fe⁺² ion is :

1) NH₄CNS
2) H₂S
3) K₃Fe(CN)₆
4) K₄Fe(CN)₆.

Amides can be converted into amines by:

1) Sandmeyer reaction
2) Dehydration reaction
3) Hofmann's reaction
4) Carbylamine reaction.

Two glucose solutions are mixed. One has a volume of 480 mL and a concentration of 1.50 M and the second has a volume of 520 mL and concentration 1.20 M. The molarity of final solution is :

1) 1.20 M
2) 1.50 M
3) 1.344 M
4) 2.70 M

 The heat exchange at constant volume for the decomposition of Silver (I) Oxide is found to be 3.66 kJ. The heat change at constant pressure will be

1)  > 30.66 kJ

2)  < 30.66 kJ

3)  30.66 kJ

4)  unpredictable

If a mixture containing 3 moles of hydrogen and 1 mole of nitrogen is converted completely into ammonia, the ratio of initial and final volumes at the same temperature and pressure would be : 

1) 1:2
2) 2:1
3) 1:3
4) 3:1

How many electrons can exist in all the atomic orbitals that correspond to the principal quantum number 4?

1. 2
2. 8
3. 18
4. 32

When Reactivity of Halogen atom is minimum in

 1) propyl oxide
 2) propyl chloride
 3) isopropyl chloride
 4) isopropyl bromide