Chemistry Quiz 10
1 / 50
If R is the Rydberg constant for hydrogen, then wave-number of the second line in the Lyman series is _________?
2 / 50
Wavelength of electron was verified by_________________?
3 / 50
I3( Tri-iodine) has shape_________?
4 / 50
Splitting of spectral lines when atoms are subjected to strong electric filed is called_________________?
5 / 50
Organic compounds that are essentially nonpolar and exhibit weak intermolecular forces have________________?
6 / 50
Shielding effect across the period ________________?
7 / 50
Group VIB of transition elements contains___________________?
8 / 50
Which order of reaction obeys the relation t1/2 = 1/Ka____________________?
9 / 50
Which one of the following makes the bulk of hydrospheres content ?
10 / 50
Ideal gasses have all the following characteristics except ?
11 / 50
Which one is false for evaporation ?
12 / 50
What is the relative rate of effusion of CO and CO2 ?
13 / 50
Commercial detergents contain mainly _____________?
14 / 50
Which of the following is used as water disinfectant to avoid the formation of toxic compounds_________________?
15 / 50
Treating phenol with formaldehyde in the presence of dilute base forms Bakelite. The process involved is_________________?
16 / 50
A compound is determined to have an emperical formula of C2H6O and a molar mass of 138 g/mole. What is the molecular formula?
17 / 50
Bleaching powder is not used for bleaching________________?
18 / 50
Oxygen does not react with all except_________________?
19 / 50
Which one of the following is not the mono isotopic element ?
20 / 50
The element used for the formation of alloys is__________?
21 / 50
Avogadros number may represent_________________?
22 / 50
In solvent extraction ether is used to separate products of organic synthesis from________________?
23 / 50
The rate of E1 reaction depends upon______________________?
24 / 50
which Compound Destroy The OZONE ?
25 / 50
Which of the following is incorrect statement about nitrogen importance ?
26 / 50
Electron was discovered by?
27 / 50
One fathom is equal to:__________?
28 / 50
Acid present in acid rain may be_________________?
29 / 50
Sharing of 1 electron pair by one specie forms_________________?
30 / 50
The volume strength of 1.5 N H2O2 solution is_______?
31 / 50
Hydrogen bonding is involved in____________________?
32 / 50
Which one of the following is a buffer solution ?
33 / 50
For which system does the equilibrium constant Kc has unit of (concentration)-1__________________?
34 / 50
The oxides of beryllium BeO is_______________?
35 / 50
Which of the following will not form crystalline structure with opporitely charged ions_________________?
36 / 50
Which one of the following fertilizers provides the nitrogen and phosphorus to the plant ?
37 / 50
Which one exhibits aldol condensation____________________?
38 / 50
The by-product of the process of Saponification is___________?
39 / 50
The value of activation energy is primarily determined by_______________?
40 / 50
Which one of the following salt does not hydrolyzed________________?
41 / 50
Spectrum is produced due to________________?
42 / 50
The element cesium bears resemblance with________________?
43 / 50
Free neutron changes into proton with the emission of__________________?
44 / 50
Formula of Chile saltpetre is__________________?
45 / 50
Geometry of molecule will be pyramidal if the outer post shell of the central atom has___________________?
46 / 50
Solubility of KCIO3 gives__________________?
47 / 50
Enzynies that catalyze the transfer of groups within molecule are called_________________?
48 / 50
In CCI4 I2 shows________________?
49 / 50
Which of the following aldehydes shows rapid reaction with sodium nitroprusside ?
50 / 50
Which of the following will not change the concentration of ammonia at the equilibrium ?
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