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Give me extra question of class 11 chemistry chapter 1

Posted by Kashish Kashu 5 months, 3 weeks ago

CBSE > Class 11 > Chemistry

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1 mole of carbon is burnt in 16g dioxide

Posted by Khushpreet Kaur 6 months ago

CBSE > Class 11 > Chemistry

2 answers

Abhishek M Ganiger Abhi 5 months ago

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Gagan Deep 6 months ago

1/2 mole of carbon is burnt

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N+1 value for 14th electron in an atom.

Posted by Satyajit Dash 6 months ago

CBSE > Class 11 > Chemistry

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2 litres of an ideal gas at a pressure of 10 atm expands isothermally into a vacuum until its total volume is 10 litres. How much heat is absorbed and how much work is done in the expansion?

Posted by Account Deleted 6 months, 1 week ago

CBSE > Class 11 > Chemistry

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15g of Naoh dissolve in 100ml of solution . Find the molality of solution. If density is1.29gram/cm³

Posted by Yashika Sharma 6 months, 1 week ago

CBSE > Class 11 > Chemistry

2 answers

Aszad Imam 5 months, 4 weeks ago

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Aszad Imam 5 months, 4 weeks ago

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What is POAC rule ?

Posted by Pooja Kumari 6 months, 1 week ago

CBSE > Class 11 > Chemistry

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A mixture of 2.3g formic acid and 4.5g oxalic acid is treated with conc. H2SO4.the evolved gaseous mixture is passed through pellets. Weight (in g)of the remaining product at STP will be

Posted by Pooja Kumari 6 months, 1 week ago

CBSE > Class 11 > Chemistry

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The resonance structure is hypothetical and individually represent any real molecule

Posted by Samridhi Mishra 6 months, 3 weeks ago

CBSE > Class 11 > Chemistry

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Convert 2.5 km/M to m/s

Posted by Pari 123 7 months ago

CBSE > Class 11 > Chemistry

4 answers

Lakshna Sree 6 months, 2 weeks ago

0.69m/s

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Apurva Sharma 6 months, 2 weeks ago

41.6

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Arsh Tiwari 6 months, 3 weeks ago

41.6 m/s

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Its Myself 7 months ago

38.41m/s

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The density of 3 M solution of NaCl is 1.25 g mL^-1. Calculate molality of the solution

Posted by Mandeep Kaur 7 months, 1 week ago

CBSE > Class 11 > Chemistry

1 answers

Srihari Prabu 6 months, 4 weeks ago

m =1000×M/1000×D-M×MWT

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If all the oxygen atoms from a mixture of 2 moles of H2P2O7, 54 gm H2O and 98 gm H2SO4 are taken and converted into O3 then the number of Ozone gas formed will be

Posted by Videet Shelar 7 months, 1 week ago

CBSE > Class 11 > Chemistry

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Given that abundance of isotopes of Fe54 ,Fe 56, Fe 57 are 5%, 90%, 5% respectively. Find the avarage atomic number of Fe

Posted by Sohan Reddy 7 months, 1 week ago

CBSE > Class 11 > Chemistry

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If the value of n+l is more than 3 and less than 6, what will be the possible number of orbitals

Posted by Neeraj Pandey 7 months, 2 weeks ago

CBSE > Class 11 > Chemistry

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What are major differences between metals and non-metals

Posted by Aastha Tiwari 7 months, 3 weeks ago

CBSE > Class 11 > Chemistry

2 answers

Its Myself 7 months ago

Metal usually donates electron to become stable whereas non metal usually receives electron to become stable.

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Nakshatra Pendyala 7 months, 2 weeks ago

Metals are acidic in nature which means they contain acidic oxides and non metals are basic in nature which means they contain basic oxides

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Consider the element Cs,Ne,I and F (A) identify the element that exhibits only negative oxidation state (B)identify the element that exhibits only postive oxidation state (C)identify the element that exhibits only postive and negative oxidation state (D)identify the element which exhibits neither the negative nor does the positive oxidation

Posted by Govind Jat 8 months ago

CBSE > Class 11 > Chemistry

1 answers

Priyanshu Kumar 7 months, 3 weeks ago

F- exhibits only negative oxidation state . Cs- exhibits only positive oxidation state I- exhibits only negative and positive oxidation state Ne- exhibits neither the negative nor does the positive oxidation state

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How were cathode rays discovered Class 11(a) cathode ray travel in straight line (b) cathode rays consist of material particle (c) cathode rays consist of negative charge particle

Posted by Vivek Prajapat 8 months, 1 week ago

CBSE > Class 11 > Chemistry

1 answers

Pratham Vaishnav 8 months ago

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Numerical of chapter 2 NCRT

Posted by Tulsi Sahu 8 months, 1 week ago

CBSE > Class 11 > Chemistry

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What do you understand by exothermic reaction and endothermic reaction? Give one example of each type. 19- Calculate: Number of gram atoms in 1.4 grams of nitrogen. (Atomic mass, N = 14) 20- Draw the structure of the following compounds all showing C and H atoms. (a) 2-methyl -3-isopropyl heptane (b) Dicyclopropyl methane.

Posted by Madhav Namdev 8 months, 1 week ago

CBSE > Class 11 > Chemistry

2 answers

Aditya Jain 8 months ago

Endothermic rxn. = the reaction accompanied by absorption of heat is called Endothermic rxn . E.g. 2NH3 ----- N2 + 3H2

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Aditya Jain 8 months ago

Exothermic = the reaction accompanied by release of energy in the form of heat or light is called exothermic reaction E.g. c+o2 --- co2

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Posted by Aditya Verma 8 months, 1 week ago

CBSE > Class 11 > Chemistry

1 answers

Cbse Student 8 months, 1 week ago

Propyne has 3 Carbons but one triple bond (Basically alkyne) Propene has also 3 Carbons but one double bond (alkene)

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How is alkyne prepared from alcohol

Posted by Nikhil Shukla 8 months, 2 weeks ago

CBSE > Class 11 > Chemistry

1 answers

Himanshu Garg 7 months, 2 weeks ago

CH3CH2OH + 2 HCL =CH3C(Cl)(Cl) + Alcoholic KOH = CHCH

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1. A measured temperature on Fahrenheit scale is 200F. What will this reading be on the Celsius scale

Posted by Praduman Bharadwaj 8 months, 2 weeks ago

CBSE > Class 11 > Chemistry

2 answers

Nikhil Maddheshiya 8 months, 2 weeks ago

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Nikhil Maddheshiya 8 months, 2 weeks ago

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Why PYQ is important for CBSE board of class 12 sci exams

Posted by Aryan Raut 8 months, 2 weeks ago

CBSE > Class 11 > Chemistry

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Oxidation number of S in H2SO5

Posted by Rozee Leimapokpam 8 months, 2 weeks ago

CBSE > Class 11 > Chemistry

2 answers

Himanshu Garg 7 months, 2 weeks ago

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Shivam Gupta 8 months, 2 weeks ago

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Assertion. The resonance structure is hypothetical and individualy represent any real molecules. Reason . ACC to resonance theory actual structure of benzene can not be adequately represented by any of these structure.

Posted by Vanika Chadgal 8 months, 2 weeks ago

CBSE > Class 11 > Chemistry

1 answers

Ankur Tiwary 7 months, 2 weeks ago

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Calculate number of gram atoms in 1.4 grams of nitrogen

Posted by Nikhi Tiwari 8 months, 2 weeks ago

CBSE > Class 11 > Chemistry

1 answers

Himanshu Garg 7 months, 2 weeks ago

0.1

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Explain Markovnikov and Anti Markovnikov rule with mechanism

Posted by Aadi Pareek 8 months, 3 weeks ago

CBSE > Class 11 > Chemistry

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Calculate the bond order for an ion with this configuration: (σ2s)2 (σ*2s)2 (σ2pz) 2 (π2px,π2py) 4 (π*2px,π*2py) 3 OR Propanal and pentane-3-one are the ozonolysis products of an alkene.

Posted by Sumedh Kallur 8 months, 3 weeks ago

CBSE > Class 11 > Chemistry

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CH3CH=C(CH3) 2

Posted by Vanessa B 8 months, 3 weeks ago

CBSE > Class 11 > Chemistry

1 answers

Sita Kumari 8 months, 3 weeks ago

2-methylbutene

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Posted by Ayush Kashyap 8 months, 3 weeks ago

CBSE > Class 11 > Chemistry