Select Board & Class
how many isomers are for C6H14 and what are they?
EXPLAIN THE CLEANING ACTION OF SOAPS IN A SYSTEMATIC MANNER.
can you depict the molecule of water showing the nature of bonding between one oxygen atom and two hydrogen atoms?does the molecule have single or double bond?
is the molecule covalent?how?
Do the same for chlorine molecule.
send very urgently.
Explain the cleansing action of soap.
what are the characteristics of homologous series?
An organic compound A of molecular formula C2H6O on oxidation with dilute alkaline KMnO4 gives an acid B with the same no. of carbon atoms. Compound A is often used for sterilization of skin by doctors.
(i) Name A and B
(ii) Write the chemical equation involved in the formation of B from A
give the structure of all the isomers of hexane.
Saturated hydrocarbons will generally give a clean flame but unsaturated sooty flame. Why?
Differentiate between saturated and unsaturated hydrocarbons giving one example of each.
Draw the electron dot structure of O2 ,CO2 , Cl2 , N2 , H2O, NH3 , S8.
What Is The Difference Between Soaps And Detergents?
Tabular Form Would Be Good...
Q.1: Which of the following is not a saturated hydrocarbon?
(a) Cyclohexane (b) benzene (c) butane (d) isobutane
Q.2: The bond between two identical nonmetallic atoms has a pair of electron?
(a) Unequally shared between two atoms
(b) Transferred completely from one atom to another
(c) With identical spins
(d) Equally shared between them
Q.3: Covalent compounds are generally –
(a) Soluble in water (b) insoluble in water
(c) Ionize in water (d) hydrolyse in water
Q.4: Which amongst the following is an unsaturated hydrocarbon?
(a) Cyclobutane (b) Propane (c) Propyne (d) Hexane.
Q.5: The number of structural isomers possible for pentane is –
(a) 2 (b) 3 (c) 4 (d) None of these.
Q.6: Which of the following substance is added to denature Ethanol?
(a) Methanol (b) pyridine (c) copper sulphate (d) all of these
Q.7: Which of the following is not an allotropic form of carbon?
(a) Fluorine (b) fullerene (c) diamond (d) graphite
Q.8: Which of the following represents the correct deceasing order of hydrogen atoms?
(a) Alkanes, alkenes, alkynes (b) alkanes, alkynes, alkenes
(c) Alkenes, alkynes, alkanes (d) alkynes, alkanes, alkenes
Q.9: Compounds having same molecular formula but different structural formula are called –
(a) Isotopes (b) Homologous (c) Isomers (d) Isobars
Q.10: The suffix used for naming an aldehyde is
(a) Ol (b) al (c) one (d) ene.
What is saponification reaction? Explain with an example
Will benzene decolourise bromine water or not and why?
their electron dot structures.
what is addition reaction? give an example.
how to differentiate between ethanol and ethanoic acid on basis of chemical properties?
are all ionic compounds polar and all non ionic compounds non polar compounds?/
how would you distinguish experimentally between an alcohol & a carboxylic acid?
A compound 'X' is a gaseous hydrocarbon. It decolourises bromine water. It forms monochloro product 'Y' with gaseous HCl. the molecular weight of 'Y' is 64.5. Identify compounds 'X' and 'Y'. Also, write the reactions involved.
Describe a chemical test to distinguish between ethanol and ethanoic acid
what is esterification reaction ?
what is the advantages and disadvantages of soap and detergents
An organic compound 'A' of molecular formula C4H8O2 has a sweet smell. It can be hydrolysed with acid or a base. On hydrolysis with dil.Sulphuric acid, it gives two compunds 'B' and 'C'. 'B" on oxidation gives compound 'C'. Identify A, B, C. Name the reactions and write the chemical equation of the reaction involved.
What is meant by denatured alcohol ? What is the need to denature the alcohol ?
Why the carbon compounds are poor conductor of electricity?
what happens when sodium acetate is heated with soda lime
Why can't we have the isomers of first 3 members of alkane series ?
WHAT IS FORMULA OF HARD WATER???
what is the difference between condensation and addition polymerisation ???? and how iz nylon 6,6 formed ???
how many covalent bonds does pentane have?
give a test that can be used to differentiate chemically between butter and cooking oil
What will be the product if a compound containing carbon is burnt?? name some test to confirm this?
what is catenation?
difference between Substitution reaction and Addition reaction???????
Structural formula of propanone
pH of water is 7.0 at 25 C.if water is heated to 70 C
A)pH will decrease and solution becomes acidic.
B)pH will increase
C)pH will remain constant as 7
D)pH will decrease but solution will be neutral
why can't we have isomers of the first three members of the alkane series
What is Homologous series? Explain with an example.
why the hybrid orbitals always form sigma bond why cant they form pi bond
why homologous series of carbon compounds are so called? Write two chemical formula of two consecutive members of a homologous series and state the part of these compounds that determine their (a) physical properties and (b)chemical properties.
what is monovalent atoms?
Which is the first member of Aldehyde , ketone and Carboxylic acid functional group?
What are micelles? how it is formed? & Explain the process of removal of dirts by soaps & detergents.
draw the electron dout structure of propene, propyne,prpanous propanic acid?
Why the colour of potassium permanganate disappears if it is added to warm solution of ethanol?
Explain Versatile nature of carbon?
why is graphite a good conductor of electricity???
differentiate between soaps and detergents
how can differentiate between aldehyde and ketone
explain the structure of micelle if soap is dissolved in hydrocarbon..
Difference between daimond and graphite. For 5marks
explain isomerism. state any four characteristics of isomers.
What happens when ethanol is heated with concentrated H2SO4 at 443 K? Give the
why formalin is used to preserve biological specimens?
why are covalent compounds poor conductors of electricity?
why does micelle formation take place when soap is added to water?will a micelle be formed in other solvents such as ethinol also?
what is the chemical properties of ethanoic acid?
State the principle on which cleansing action of soap is based
why carbon form large number of compounds?
Explain cleansing action of detergents.
WHAT IS COVALENCY??...explain with a few examples
Define functional group .
Why doesn't soap form micelles in ethanol as they form in water?????????????
Thumbzz up guaranteed.
Complete these reactions:-
H2C=CH2 + H2O (in the presence of H2SO4) -----
H2C=CH2+ Cl2 -------------
Define 'isomerism' and give few examples?
what is scum ?how it is formed?
What happens when:-
1.Ethanoic acid reacts with sodium carbonate ?
2.Ethanol reacts with ethanoic acid in the presence of sulphuric acid.
3.Hydrogenation of vegetable oils is carried out?
4.Methane is burned in presence of oxygen.
5.methane is treated with chlorine in presence of sunlight.
is benzene saturated or unsaturated ?
define decarboxylation and give an example.
why does carbon form only covalent bonds?
Copyright © 2019 Applect Learning Systems Pvt. Ltd. All rights reserved.
E.g: 9876543210, 01112345678
We will give you a call shortly, Thank You
Office hours: 9:00 am to 9:00 pm IST (7 days a week)