InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Class 11 knowledge and support exam preparation. Choose a topic below to get started.
| 1951. |
What do you mean by inductive effect and resonance effect |
| Answer» | |
| 1952. |
How many scientists explain of classification of elements |
| Answer» 3 scientists | |
| 1953. |
What is meant by ozonolysis |
| Answer» | |
| 1954. |
Arrange in increasing order of wander wall radii chlorine , hydrogen,oxygen,nitrogen |
| Answer» | |
| 1955. |
How many molecules are there in 2L of oxygen at STP |
| Answer» 44.8 | |
| 1956. |
was any topic was deleted in chemistry |
| Answer» No<br>No | |
| 1957. |
Discuss the shape of the following molecule s using the vesper model:BeCl2,BCl2,Sicl4,AsF5,H2S,PH3 |
| Answer» | |
| 1958. |
Emorphous solid |
| Answer» Amorphous solid cotton candy | |
| 1959. |
What is scotty defect |
| Answer» | |
| 1960. |
How to find that how many bond pair and lone pair in the given molecule? |
| Answer» Bond pair - electron pair take part in bondingLone pair - electron which not take part in bonding | |
| 1961. |
Al2O3 |
| Answer» Aluminium mono oxide | |
| 1962. |
Can anyone please explain what is dipole moment? Please |
| Answer» | |
| 1963. |
Why noble gases have positive electron gain enthalpy ? |
| Answer» Nobel gases has zero electron gain enthalpy<br>Nobel gas cannot gain or lose electron because they are stable | |
| 1964. |
How can we find equivalent mass of different metals,acids,bases |
| Answer» Equivalent mass=molar weight/n-factor | |
| 1965. |
What is Vsepr thoery |
| Answer» It talks about minimum energy and maximum stability of an atom that is electron pairs surrounding central atom repel each other and at one stage there will be no further repulsions | |
| 1966. |
What are the topics that are added in plus one chemistry Syllabus from plus two chemistry? |
| Answer» S-block group whole topic which is transfer from class 12 syllabus<br>Solid state chapter<br>Think<br>I thik organic chemistry | |
| 1967. |
Give the generalisations concerning the composition of equilibrium mixture |
| Answer» | |
| 1968. |
What was ancient Indian perspective on matter? |
| Answer» | |
| 1969. |
What is dissociation enthalpy? |
| Answer» | |
| 1970. |
Give reasonDipole moment of co2 ccl4 Bf3 is 0 |
| Answer» draw their structure and then show directions of electronegativity they cancel each other other method use the formula<br>Because the molecules are symmetric in shape | |
| 1971. |
What is the significance of negative sign on electronic energy ? |
| Answer» atoms, negative value of potential energy for electronics means they are stable and bound to the atom and external energy is required to ionize the atom. Consider case of hydrogen. In ground state, the electron has energy equal to -13.6eV. This means 13.6eV of energy is required to break the atom. | |
| 1972. |
Number of molecules of ethane |
| Answer» 1<br>1 | |
| 1973. |
How will you prepare hydrogen by sin gas basch method |
| Answer» Hydrogen of sin gas metgod can be prepared when super heated steamed is passed over red-hod-coke at 1270k is present in Ni as catalyst. | |
| 1974. |
Difference between emission spectrum and continuous spectrum |
| Answer» Continuous spectrum is a form of emission spectrum...Emission spectrum is when radiations are emitted from a substance and then directly passed and received on a photographic plate...<br>Book Mai dekh le | |
| 1975. |
Discovery of electron. |
| Answer» Discovery of electron was done by J J Thomson..He observed it through the cathode ray discharge tube experiment...<br>J J thomson | |
| 1976. |
What is the value of plank\'s constent(h) ?? |
| Answer» 6.626 x 10^-34<br>6.626×10 to the power -34 | |
| 1977. |
How many sigma and pi bonds are present in tetracyanoethylene ? |
| Answer» | |
| 1978. |
Why H2O is polar and BeF2 is not |
| Answer» Due to the presence of lone pair in H2O but not in BeCl2 | |
| 1979. |
What is Carnot cycle? |
| Answer» | |
| 1980. |
Define molarity |
| Answer» | |
| 1981. |
What is the concept of limiting reagent? |
| Answer» During any chemical reaction the substance which is present in less amount or limited amount is limiting reagent | |
| 1982. |
If it is good that the language of video lectures in hindi |
| Answer» | |
| 1983. |
Which bond is more stable P pi-Dpi or Ppi-Dpi |
| Answer» | |
| 1984. |
How can we find no of electrons in a given period?Explain. |
| Answer» | |
| 1985. |
Why hydrogen is extra ordinary elememt |
| Answer» Dav gandhinagar se hai tum kya bhai<br>It has small Z | |
| 1986. |
Can u explain why 6th period has 32 elements ??? |
| Answer» As the cofiguration of 6th period is 6s,4f,5d,6p,which can accomodate 32 electrons .so thats y it has 32 elements<br>6th period has 32elements because we should consider the f block elements too | |
| 1987. |
Mot diagram |
| Answer» | |
| 1988. |
where is solid state. |
| Answer» IN book | |
| 1989. |
What role does Faraday play in discovery of electron.? |
| Answer» Faraday didn\'t know more about electron so he couldn\'t explain it | |
| 1990. |
What is an incident radiation |
| Answer» | |
| 1991. |
How i operate the equations in thermodynamics chapter |
| Answer» | |
| 1992. |
This question is from chapter no. 2. Not from 1 |
| Answer» | |
| 1993. |
Why half filled and fully filled orbitals are more stable? |
| Answer» Because they have symmetrical distribution of electrons in them and are half filled and full filled sub she\'ll are More stable<br>Because if orbital is half filled for example carbon it need lots of and equal amount of energy in loosing even in gaining electron . Fulfill orbitals are stable because there is no need tugain or lose electrons | |
| 1994. |
What is enthalpy plz explain it not briefly |
| Answer» Enthalpy is not other than energy. | |
| 1995. |
In terms of charles law explain why -273 is the lowest temperature? Deriving its value by formula |
| Answer» | |
| 1996. |
Best project of chemistry |
| Answer» You can explain any model of atom and hybridization is also best I think you explain it through ur model.? | |
| 1997. |
What do u mean by POLAR....? |
| Answer» In polar molecules both negative s positive ions are present. For example hcl in. This acid hydrogen has positive ions but chlorine has negative ion so it attract with each other it is also known as dipole dipole forces.... | |
| 1998. |
Describe thomson, rutherford and bohr atamic models. |
| Answer» | |
| 1999. |
Hi focus number faster 27th electron of Nickel |
| Answer» | |
| 2000. |
Explain molecular orbital theory |
| Answer» | |