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    • Posted by Rakesh Phogat 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 0 answers
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    • Posted by Ajay Kumar 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Abhishek Chauhan 8 years, 1 month ago

    A solid is defined as that form of matter which possess rigidity and hence possess a definite shape and a definite volume.

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    • Posted by Taran Singh 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Mansi Kaushal 8 years, 1 month ago

    ROH

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    • Posted by Risky Rao 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by King Thakur 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Ruopfuno Zashumo 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Amar Kumar 8 years, 1 month ago

    Zn act as a reducing agent in the extraction of Ag. Reducing agent is a substance that tends to bring about reduction by being oxidized and losing electrons. Zinc is a chemical element with symbol Zn and atomic number 30. It is the first element in group 12 of the periodic table. In some respects zinc is chemically similar to magnesium,both elements exhibit only one normal oxidation state (+2), and the Zn2+ and Mg2+ ions are of similar size. Zinc is the 24th most abundant element in Earth's crust and has five stable isotopes.

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    • Posted by Ruopfuno Zashumo 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Amar Kumar 8 years, 1 month ago

    In Chemisorption:With initial rise in temperature, the rate of adsorption increases but with further rise in temperature, after a certain limit, adsorption starts decreasing. This is because an initial rise in temperature will provide the molecules necessary activation energy for chemical bond formation so rate of adsorption increases. At a certain temperature all the bonds are formed and now the further increase in temperature will favourdesportion i.e., rate the adsorption now starts decreasing.

    Chemical adsorption or Chemisorption: If the adsorbate molecules are bound to the surface of adsorbent by chemical bonds, the adsorption is known as chemical adsorption or chemisorption.

    Effect of temperature: Even though chemical adsorption is an exothermic process, it does not occurs slowly at lower temperature due to high kinetic energy barrier. Hence, like most chemical changes, the extent of chemisorption increases with increase in temperature up to certain limit and then after that it starts decreasing.

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    • Posted by Himanshu Rawat 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Mehak Rajput 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Sakshi Katre 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Ruopfuno Zashumo 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Anshu Kumar 8 years, 1 month ago

    Glucose convert into gluconic acid as bromine water oxidises aldehyde into caboxyluc acid

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    • Posted by Abhishek Kumar 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Hitarth Vaishnav 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Gourav Das 8 years, 1 month ago

    Phenol is more acidic because, the "Phenoxide ion" is more stable {due to Resonance} than the Alkoxy ion of alcohol.

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    • Posted by Toma Saha 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Amitansh Kala 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Damter Bomnyo 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Amar Kumar 8 years, 1 month ago

    In the presence of sulphuric acid (H2SO4), KI produces HI

    2KI + H2SO4 → 2KHSO4 + 2HI

    Since H2SO4 is an oxidizing agent, it oxidizes HI (produced in the reaction to I2).

    2HI + H2SO4 → I2 + SO2 + H2O

    As a result, the reaction between alcohol and HI to produce alkyl iodide cannot occur. Therefore, sulphuric acid is not used during the reaction of alcohols with KI. A non-oxidizing acid such as H3PO4 is used.

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    • Posted by Sadeep Singh Rathore 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 0 answers
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    • Posted by Ankit Kumar 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Birjesh Verma 8 years, 1 month ago

    Koh is more soluble due to hydrogen bonding

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    • Posted by Abhishek Kumar 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Vivek Kumar 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Md Aaman Ahmad 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Deepa Bhagat 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Rihaan Vashistha 8 years ago

    After that 3d10 full filled electronic configuration acquired if we remove one more electron we need much more energy

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    • Posted by Jaya Maheshwari 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Smiriti Pandey 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Ruchi Sharma 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Manish Rao 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    • Posted by Sayan Mondal 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Kishan Sony 8 years, 1 month ago

    When chains of polypeptide coil around to give spherical shape is known as globular proteins

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    • Posted by Swati Kumari 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Prateek Kumar Devnani 8 years, 1 month ago

    Co

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    • Posted by Sahil Jangra 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Ruchi Sharma 8 years, 1 month ago

    Simply due to the conjugation effect , hybridization,

    1Thank You

    Anjali Sharma 8 years, 1 month ago

    Haloalkanes are more reactive than haloarenes because alkyl group are electrondonating group while aryl group is electronwithdrawing group.

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    • Posted by Harsh Tyagi 8 years, 1 month ago

    CBSE > Class 12 > Chemistry
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    Pallavi Jena 8 years, 1 month ago

    The bond between sugar and nitrogen base in dna

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