UNITED BOOK HOUSE-TIRTHAPATI INSTITUTION QUESTION PAPER -EXERCISE
- Why the electron affinity of chlorine is higher than that fluorine?
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- Write the general outer electronic configuration of f block elements.
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- Explain the shape of BeCl2 & NH4^+ according to VSEPR theory.
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- O2 is paramagnetic, why?
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- H2O is liquid but H2S is gas why?
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- Define:Surface tension.
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- Define:Critical temperature.
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- Define:Avogadro’s number.
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- 0.64 g of gas at 0^@C and 75 cm Hg pressure occupy 225 ml volm. Find i...
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- Write the thermodynamic criteria for equilibrium condition and spontan...
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- Heat of formation of CO2, H2O & CH4 are - 100 cal, -50 cal &- 70 cal. ...
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- 2 mol of an ideal gas at 3 atm pressure is expanded from 10 lit to 20 ...
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- State Le-Chateliers principle.
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- Find the pH of 0.1 (N) HCl & 10^(-8) (N) HCl solution.
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- Solubility of Zn3(PO4)2 is ‘S’ mol//lit. Find its solubility product.
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- Define oxidation in terms of electronic theory.
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- Balance by oxidation number method Cu + HNO3 rarr Cu(NO3)2 + NO2 + H...
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- Balance by ion-electron method. Fe^(+2) + MnO4^(-) + H^(+) rarr Fe^(...
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- Name a metal which liberate H2 gas .from acid and alkali.
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- Write the principle of laboratory preparation of H2O2 with equation.
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