A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.For each of the following multiple choice questions, choose the most appropriate answer :
1. The number of nodal planes present in s * s antibonding orbitals is
A. 2
B. 3
C. 0
D. 1
2. The complexes [Co (NH3)6] [Cr (CN)6] and [Cr(NH3)6] [Co(CN)6] are the examples of which type of isomerism?
A. Ionization isomerism
B. Linkage isomerism
C. Coordination isomerism
D. Geometrical isomerism
3. Which of the following is correct option for free expansion of an ideal gas under adiabatic condition?
A. q = 0, DT ¹ 0, w = 0
B. q ¹ 0, DT = 0, w = 0
C. q = 0, DT = 0, w = 0
D. q = 0, DT < 0, w ¹ 0
4. Which of the following is least likely to behave is Lewis base?
A. H2O
B. NH3
C. BF3
D. OH–
5. The term PVC used in the plastic industry stands for
A. polyvinyl carbonate
B. polyvinyl chloride
C. phosphovinyl chloride
D. para vinyl chlorobenzene
6. Dalton's law of partial pressures is applicable to which one of the following systems?
A. NH3 + HCl
B. H2 + Cl2
C. CO + H2
D. NO + O2
7. pH value of which one of the following is NOT equal to one?
A. 0.1 M HNO3
B. 0.1 M CH3 COOH
C. 50 cm3 0.4 M HCl + 50 cm3 0.2 M NaOH
D. 0.05 M H2SO4
8. No two electrons I an atom can have the same set of four quantum number' is:
A. Bohr's law
B. Aufbau principle
C. Newton's law
D. Pauli's exclusion principle
9. Artificially, gasoline is prepared by an industrial process known as
A. Sabatier and Sendren's process
B. Friedel-Crafts reaction
C. Fischer-Tropsch process
D. l-laber's' process
10. A 6% solution of urea is isotonic with
A. 0.05 M solution of Glucose
B. 6% solution of Glucose
C. 1 M solution of Glucose
D. 25% solution of Glucose
11. 1 mole of Methane is
A. 0.1 g
B. 16 g
C. 1 g
D. 1.6 g
12. The molecular mass of A is 49 u. Molecular mass of B will be
A. 6.50 u
B. 50.00 u
C. 12.25 u
D. 25.00 u
13. By doing so it
A. Increase the concentration of ions
B. . Increases the solubility product of AgCl
C. Decomposes Na2S and NaCN, if formed
D. Helps in the precipitation of AgCl
14. The bacteria responsible for 'nitrogen fixation' are found in the roots of
A. grass
B. citrus plants
C. leguminous plants
D. neem tree
15. What are soaps?
A. Salts of silicates
B. Esters of heavy fatty acids
C. Sodium or potassium salts of heavier fatty acids
D. Mixture of glycerol and alcohols
16. The IUPAC name of the complex [Co (NH3)4Cl2] Cl is
A. tetraammine dichloro cobalt (IV) chloride
B. tetraammine dichloro cobalt (III) chloride
C. dichloro tetraammine cobalt (III) chloride
D. tetraammine dichloro cobalt (II) chloride
17. The enzyme that hydrolyses cane sugar to glucose and fructose is
A. lipase
B. invertase
C. zymase
D. diastase
18. One which is NOT an exception is
A. Mg and Al
B. N and O
C. Na and Mg
D. Be and B
19. When the azimuthal quantum number has the value of 2, the number of orbitals possible are
A. 3
B. 7
C. O
D. 5
20. This is due to
A. +R effect of -NH2 group
B. hyperconjugation effect
C. -R effect of -NH2 group
D. -I effect of -NH2 group
Public Hospital 554/7 New Anaj Mandi, Fatehabad 125050 M: 9810570740, 9810571993
Tel: 01667221011, 9810570740, 9810571993 facebook.com/doctorkc