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
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?
The reaction whose rate and rate constant have same units is a zero order 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.