Match the Following:
A. Weak electrolyte | (i) pH of a solution |
B. colour in crystal | (ii) Iodoform |
C. Acetone | (iii) Tollen's reagent |
D. Acetone | (iv) Ostwald dilution law |
E. Ammonical silver nitrate | (v) F-centre |
Fill in the blanks by choosing the appropriate word/ words form those given in the brackets:
(Henry's, aldol condensation, absence, do not ohm, Raoult's, increases, common ion effect, easily, three, solubility product, ohm-1, two, four,ohm-1 cm2, cannizzaro, ohm-1 cm-1, zero decreases, presence.)
(i) Ideal solutions obey________ law and they_____ form azetropic mixtures.
(ii) Benzaldehyde undergoes_______ reaction due to _________ of alpha-hydrogen atom.
iii) The solubility of silver chloride ___________ in the presence of sodium chloride because of _______.
iv) The unit of conductance is ___________ and that of specific conductance is ________.
v) When the concentration of a reactant of first order reaction is doubled, the rate becomes _________ times, but for_________ order reaction, the rate remains same.
Complete the following statement by selecting the correct alternative from the choices given:
The complex -ion [Ni(CN)4]2- is:
Square planar and diamagnetic
Tetrahedral and paramagnetic
Square planar and paramagnetic
Square planar and paramagnetic
D.
Square planar and paramagnetic
Complete the following statement by selecting the correct alternative from the choices given:
Wohler's synthesis is used for the preparation of:
Glycine
Amino acids
Urea
Proteins
Complete the following statement by selecting the correct alternative from the choices given:
When SO2 gas is passed through acidified K2Cr2O7 solution, the colour of the solution changes to:
Red
Black
Orange
Orange
Complete the following statement by selecting the correct alternative from the choices given:
In the equation CH3COOH +Cl2 ----> A, the compound A is:
CH3CH2Cl
ClCH2COOH
CH3Cl
CH3Cl
Answer the following questions:
What is the order of reaction whose rate constant has the same unit as the rate of reaction?
Answer the following:
What is the pH value of solution whose hydroxyl ion concentration is 1 x 10-2 M ?
Answer the following:
Calculate the number of coulombs required to deposit 5.4g of Al when the electrode reaction is:
Al3+ +3e- -->Al
[Atomic weight of Al = 27 g/mol]
Answer the following:
The edge length of unit cell of a body centered cubic (bcc) crystal is 352pm. Calulate the radius of the atom.