The IUPAC name of the compound is
pent - 4 yn - 2- ene
pent - 3-en - 1-yne
pent - 2- en-4 -yne
pent - 2- en-4 -yne
B.
pent - 3-en - 1-yne
Which of the following expression correctly represents the equivalent conductance at infinite dilution of Al2(SO4)3. Given that are the equivalent conductance at infinite dilution of the respective ions.
Consider the following relations for emf of an electrochemical cell
A) Emf of cell = (oxidation potential of anode) - (reduction potential of cathode)
B) Emf of cell = (oxidation potential of anode) - ( reducation potential of cathode)
C) Emf of cell = (oxidation potential of anode)- (reduction potential of cathode)
D) Emf of cell = (oxidation potential of anode) - (oxidation potential of anode)-(oxidation potential of cathode)
(C) and (A)
(A) and (B)
(C) and (D)
(C) and (D)
For vaporisation of water at 1 atm pressure, the values of ΔH and ΔS are 40.63 kJ mol- and 108.8 JK-1 mol-1, respectively. The temperature when Gibbs energy change (ΔG) for this transformation will be zero, is
273.14 K
393.4 K
373.4 K
373.4 K
Match (I) substances with List (II) processes employed in the manufacture of the substances and select the correct option.
List I |
List II |
||
A |
Sulphuric acid |
1 |
Haber’s process |
B |
Steel |
2 |
Bessemer’s process |
C |
Sodium |
3 |
Lablanc process |
D |
Ammonia |
4 |
Contact process |
A |
B |
C |
D |
1 |
4 | 2 |
3 |
A |
B |
C |
D |
1 |
2 |
3 |
4 |
A |
B |
C |
D |
4 |
3 | 2 | 1 |
A |
B |
C |
D |
4 |
3 | 2 | 1 |
The rate of the reaction,
2NO + Cl2 → 2NOCl is given by the rate equation, rate = k[NO]2[Cl2]
The value of the rate constant can be increased by
increasing the temperature
increasing the concentration of NO
increasing the concentration of the Cl2
increasing the concentration of the Cl2
Which one of the following complexes is not expected to exhibit isomerism?
[Ni(NH3)(H2O)2]2+
[Pt(NH3)2Cl2]
[Ni(NH3)2Cl2]
[Ni(NH3)2Cl2]
Which of the following oxidation states is the most common among the lanthanoids
4
2
5
5
Among the following four compounds
A) Phenol
B) Methyl Phenol
C) meta - nitrophenol
D) para-nitrophenol
the acidity order is
D > C > A > B
C > D > A> B
A > D > C > B
A > D > C > B
Fructose reduces Tollen's reagent due to
asymmetric carbons
primary alcoholic group
secondary alcoholic group
secondary alcoholic group