On electrolysis of dilute sulphuric acid using platinum electrodes, the product obtained at the anode will be: A ) Hydrogen…
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a. Give chemical tests to distinguish between: 1. Propanol and propanone 2. Benzaldehyde and acetophenone B. Arrange the following compounds…
Calculate the temporary and permanent hardness of water sample having the following the following constituents per litre: Ca(HCO3)2=162mg ,MgCl2=95=mg NaCl=585mg…
What happens when: (A) n- butyl chloride is treated with alcoholic KOH. (B) Bromobenzene is treated with Mg in the…
The principle involved in paper chromatography is: A) Adsorption B) Partition C) Solubility D) Volatility Hint: Chromatography is an analytical…
Convert Ethanol to But-1-yne. Hint: First, transform the alcohol into a haloalkane. Next, take acetylene and convert it into sodium…
Hint: Isomers that have the same molecular formula but differ in the arrangement of carbon atoms in the chain are…
The increasing order for the values of e/m (charge/mass) for the electron (e), proton (p), neutron (n) and alpha particle…
Hint: We understand that absorption and adsorption are distinct processes. In absorption, atoms penetrate into the bulk phase of a…
In benzene, the count of sigma and pi bonds is: a. 6 sigma and 3 pi bonds b. 12 sigma…