Advertisements
Advertisements
Question
The organic compound prepared by Wohler from an inorganic compound called ammonium cyanate was:
(a) glucose
(b) urea
(c) uric acid
(d) vinegar
Solution
urea
Urea is the organic compound prepared by Wohler from an inorganic compound called ammonium cyanate.
APPEARS IN
RELATED QUESTIONS
State the reason to explain why covalent compounds "have low melting and boiling points."
State the type of bonding in the following molecule.
Water
What type of bonds are present in H2 molecule? Draw their electron-dot structures.
Give one example of a molecule containing a triple covalent bond.
What type of chemical bond is present in chlorine molecule? Explain your answer.
Explain the formation of a chlorine molecule on the basis of electronic theory of valency.
Give the formula of the compound that would be formed by the combination of the following pair of elements:
K and H
State any two uses of diamond.
What is the difference between ionic compounds and covalent compounds?
Explain the following:
polar covalent compounds electricity.
Draw all possile structural formulae of compound from their molecular formula given below.
C3H4
Explain the following briefly.
Pure water does not conduct electricity, but on adding sodium chloride to it, it starts conducting electricity.
What do you understand by lone pair and shared pair?
Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the options A, B, C and D given below:
X is likely to have a ______.
What are the term defined below?
A bond formed by share pair of electrons, each bonding atom contributing one electron to the pair.
Draw the electron dot diagram and structure of magnesium chloride.
What are Allotropes? Name any two allotropic forms of carbon. Give one use of it.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
 |
The bond which is formed by the mutual sharing of electrons is called ______ bond.
Write notes on the characteristics of covalent compounds.
