An alkene on ozonolysis gives methanal as one of the product. Its structure is
Question
An alkene on ozonolysis gives methanal as one of the product. Its structure is
Answer ...
HCl was passed through a solution of CaCl2, MgCl2 and NaCl. Which of the following compound(s) crystallise(s)?
Question
HCl was passed through a solution of CaCl2, MgCl2 and NaCl. Which of the following compound(s) crystallise(s)?
(1) Only NaCl(2) Only MgCl2(3) NaCl, MgCl2 and CaCl2(4) Both MgCl2 and CaCl2
Answer ...
Match the following and identify the correct option.
Question
(a) (b) (c) (d)
(1) (iii) (ii) (i) (iv)
(2) (iii) (iv) (ii) (i)
(3) (i) (iii) (ii) (iv)
(4) (iii) (i) (ii) (iv)
Solution: (4)
Paper chromatography is an example of (1) Partition chromatography (2) Thin layer chromatography (3) Column chromatography (4) Adsorption chromatography
Question
Paper chromatography is an example of
(1) Partition chromatography
(2) Thin layer chromatography
(3) Column chromatography
(4) Adsorption chromatography
Solution: (1)
Paper chromatography is a type of partition chromatography in which a special quality paper known as chromatography paper is used
Measuring Zeta potential is useful in determining which property of colloidal solution?
Question
Measuring Zeta potential is useful in determining which property of colloidal solution?
(1) Solubility
(2) Stability of the colloidal particles
(3) Size of the colloidal particles
(4) Viscosity
Solution: (2)
In colloidal solution, the potential difference between the fixed layer and the diffused layer of opposite ...
Anisole on cleavage with HI gives
Question
Solution: (4)
What is the change in oxidation number of carbon in the following reaction?
Question
Solution: (2)
On electrolysis of dil. sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be (1) Oxygen gas (2) H2S gas (3) SO2 gas (4) Hydrogen gas
Question
On electrolysis of dil. sulphuric acid using
Platinum (Pt) electrode, the product obtained
at anode will be
(1) Oxygen gas
(2) H2S gas
(3) SO2 gas
(4) Hydrogen gas
Solution: (1)
During the electrolysis of dil. sulphuric acid using Pt electrodes, at anode the oxidation of water would ...
Which of the following amine will give the carbylamine test?
Question
Solution: (4)
Aliphatic and aromatic primary amines give carbylamine reaction
Which of the following alkane cannot be made in good yield by Wurtz reaction?
Question
Which of the following alkane cannot be made in good yield by Wurtz reaction?
(1) 2,3-Dimethylbutane
(2) n-Heptane
(3) n-Butane
(4) n-Hexane
Solution: (2)
Wurtz reaction is used to prepare symmetrical alkanes like R– R. n-heptane is asymmetrical.