Advertisements
Advertisements
प्रश्न
A compound 'X' consists of 4.8% of C and 95.2% of Br by mass.
Name the type of chemical reaction by which X can be prepared from ethane.
उत्तर
This substance can be prepared by substitution method.
APPEARS IN
संबंधित प्रश्न
Define the term: Vapour density.
Potassium nitrate on strong heating decomposes as under :
2KNO3 → 2KNO2 + O2
Calculate : Weight of potassium nitrite formed.
(K = 39, 0 = 16, N = 14)
If the relative molecular mass of A is 90, what is the molecular formula of A?
When excess lead nitrate solution was added to a solution of sodium sulphate, 15.1g of lead sulphate was precipitated. What mass of sodium sulphate was present in the original solution?
Na2SO4 + Pb(NO3)2 → PbSO4 + 2NaNO3
(H = 1, C = 12, O = 16, Na = 23, S = 32, Pb = 207)
Calculate the percentage of sodium in sodium aluminium fluoride (Na3AIF6).
[F = 19, Na = 23, Al = 27]
A certain gas 'X' occupies a volume of 100 cm3 at S.T.P. and weighs 0.5 g. Find its relative molecular mass.
Give two tests of the following:
Oxygen
The mass of 5.6 litres of a certain gas at S.T.P. is 12 g. What is the relative molecular mass or molar mass of the gas?
Calculate the volume occupied at S.T.P. by 2 moles of SO2.
What do you understand by the statement that 'vapour density of carbon dioxide is 22'?
