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    • Posted by Bhavna Dhande 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Dilpreet Singh 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Chandra Sree Gandhavarapu 7 years, 5 months ago

    Haloarenes cannot undergo nucleophilic substitutions

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    • Posted by Abhishek Kumar Sinha 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Chandra Sree Gandhavarapu 7 years, 5 months ago

    Because sn2 reaction is mostly favourable for primary alkyl halides where neo pentile chloride is a teritiary alkyl halide

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    • Posted by Tanvi Chauhan 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 3 answers

    Abhishek Kumar Sinha 7 years, 5 months ago

    Have u on Facebook

    0Thank You

    Abhishek Kumar Sinha 7 years, 5 months ago

    Example 10% of Ethanol solution in water means that 10 ml of ethanol is dissolved in water such that the total volume of the solution is 100 ml

    2Thank You

    Abhishek Kumar Sinha 7 years, 5 months ago

    Volume% of component = volume of the component÷total volume of solution×100

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    • Posted by Shivaji Booooosssssssss 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 3 answers

    Chandra Sree Gandhavarapu 7 years, 5 months ago

    There is no half life reaction it is half life period it is the time taken by the reaction for completion of half of the initial concentration of the reactants it is denoted by t1/2

    0Thank You

    Gopal Biswas 7 years, 5 months ago

    It is that period in which any element remain half of its initial quantity. 

    2Thank You

    Shivaji Booooosssssssss 7 years, 5 months ago

    Half life of the period of reaction is defined as the time during which concentration of the reactant is reduces to halg of its initial concentration.

    2Thank You

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    • Posted by Alok Kumar 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Abhishek Kumar Sinha 7 years, 5 months ago

    The nucleophiles which can attack through two different sites are called ambident nucleophile. Example cyanide is an ambident nucleophile because it can attack through to carbon or nitrogen site

    1Thank You

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    • Posted by Navdeep Singh 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 5 answers

    Mohit Sepat 7 years, 5 months ago

    No they cannot attract each other ,,if they are of similar size . But if size is different then they attract each other.

    1Thank You

    Shekhar Gurjar 7 years, 5 months ago

    No, opposite charges repel each other

    0Thank You

    Abhishek Kumar Sinha 7 years, 5 months ago

    No similar charges repel each other

    0Thank You

    Dheeraj Mishra 5 years, 8 months ago

    Yes, Due to opposite charges it attracts each other.

    1Thank You

    Navdeep Singh 7 years, 5 months ago

    Electric field lines

    1Thank You

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    • Posted by Amit Dubey 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Aditya Singh 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Chandra Sree Gandhavarapu 7 years, 5 months ago

    When the pressure of the pure solvent,Po=Kh of henry'law

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    • Posted by Aditya Singh 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Chandra Sree Gandhavarapu 7 years, 5 months ago

    Because even it looks like a solid it has viscousity i.e, it still flows like a liquid so it is called as super cooled liquid

    1Thank You

    Khushi Mondal 7 years, 5 months ago

    Glass is an example of amorphous solid Amorphous solids are considered to be highly super cooled liquids of very high viscosity and are called pseudo-solids Example- Quartz glass

    2Thank You

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    • Posted by Ishita Tailor 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Gurpreet Singh Guri 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Gurpreet Singh Guri 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Khushi Mondal 7 years, 5 months ago

    PDI- Polydispersity Index

    1Thank You

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    • Posted by Aparna Yadav 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Gurpreet Singh Guri 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Dharshika As 7 years, 5 months ago

    A catalyst

    1Thank You

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    • Posted by Gurpreet Singh Guri 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Manish Jatwa 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Fffff Wwww 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Chandra Sree Gandhavarapu 7 years, 5 months ago

    Cu in the coppersulphate solution is replaced by iron single displacement reaction takes place

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    • Posted by Saud Ansari 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Saud Ansari 7 years, 5 months ago

    Bagavzvzb

    2Thank You

    ANSWER

    • Posted by Pragya Chandrakar 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Bhuvnesh Joshi 7 years, 5 months ago

    2 chloro 3,3 di methyl butane

    1Thank You

    Rinki Chhikara 5 years, 8 months ago

    Prop chloro

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    • Posted by Shivanshi Singh 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Shadab Khan 7 years, 5 months ago

    Deltas are landforms or wetlands that form at the mouth of rivers as they empty their waterand sediment into another larger body of water, such as an ocean, sea, or lake, or even another river. ... This causes sediment, solid material carried downstream by currents, to fall to the river bottom.

    2Thank You

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    • Posted by Harsh Sandhu 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Divya Chhabra 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 4 answers

    Chandra Sree Gandhavarapu 7 years, 5 months ago

    It is the energy required to exite the electron from valency band to conduction band

    0Thank You

    Gurpreet Singh Guri 7 years, 5 months ago

    It is the small gap between conduction band and valence band

    1Thank You

    Kanchan Lata 7 years, 5 months ago

    Gap b/w valence and conducting band is known as forbidden gap.

    1Thank You

    Subhash Kumar 7 years, 5 months ago

    The energy gap between conduction band valence band and

    0Thank You

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    • Posted by Nilesh Kushwah 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Abneesh Jaswal 7 years, 5 months ago

    Inverse

    1Thank You

    Md Junaid Anwar 7 years, 5 months ago

    Temperature is inversely proportional to Henry's law constant

    3Thank You

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    • Posted by Amandeep Kumar 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Amandeep Kumar 7 years, 5 months ago

    Plz send me marks distribution of all the chapters

    0Thank You

    Anamika Rajput 7 years, 5 months ago

    Solid state -4 marks Solution - 5 marks Electrochemistry -5 Chemical kinetics -5

    1Thank You

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    • Posted by Atul Verma 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 3 answers

    Lucky Mishra 7 years, 5 months ago

    The hole occupied by an electron is called f-centre.It is respossible for colour of compound.

    2Thank You

    Amandeep Kumar 7 years, 5 months ago

    The empty holes occupied by the electrons are called f center

    0Thank You

    Tanya Thakral 7 years, 5 months ago

    Where electron is trapped

    1Thank You

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    • Posted by Shivanshu Pal 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Devashish Singh 7 years, 5 months ago

    Sn 1 reaction are those reaction which have tertiary in structure. SN1 reactions are nucleophilic substitutions, involving a nucleophile replacing a leaving group (just like SN2). However: SN1 reactions are unimolecular: the rate of this reaction depends only on the concentration of one reactant.

    2Thank You

    Ibrahim Saleem 7 years, 5 months ago

    When there a unimolecular in slow step

    0Thank You

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    • Posted by Pratap Dash 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Pratap Dash 7 years, 5 months ago

    This is not the appropriate answer to this question...!!!

    0Thank You

    Harsimran K 7 years, 5 months ago

    Because it directly combines with Coke and form a zinc and carbon monoxide ZnO + C gives Zn + CO

    0Thank You

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    • Posted by Prerna Sharma 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Shruti Jaiswal 7 years, 5 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Prakhar Dwivedi 5 years, 3 months ago

    it is a type of catalyst, contains platinum and rhodium, used in the Ostwald's process of manufacture of nitric acid - HNO3

    0Thank You

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