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UNITED BOOK HOUSE-MODEL QUESTION PAPER 2-EXERCISE
- Calculate the standard enthalpy of reaction at25^@C temperature for th...
04:18
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- Calculate the entropy change, at 0^@C for the process H2O(s) rarr H2O(...
03:21
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- State the mathematical definition of enthalpy.
03:08
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- Mention the oxidation number of carbon atom in C6H12O6 molecule.
02:06
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- Balance the equations Cl2 + OH^(-) to Cl^(-) + ClO3^(-) + H2O
05:59
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- What is the oxidation number .of oxygen in Na2O2?
01:48
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- Balance . the following equation by oxidation number method : H2S + Cl...
02:51
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- What do you mean by ‘Non-stoichiometric hydrides'? Do you expect .this...
03:55
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- Which out of MgCO3, SrCO3 and BaCO3 possesses highest thermal stabilit...
03:40
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- Be and Mg do not give colour to flame whereas other alkaline earth met...
03:32
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- why are alkali metals stored in kerosene ?
05:25
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- What happens when calcium nitrate is heated.
02:00
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- CH3Cl is unreactive towards. SN^1 reaction.Why?
02:21
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- Dipole moment of nitrobenzene is greater than that of nitroethane.Why?
04:14
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- Give example of a non-nucleophilic anion.
02:21
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- Explain the orders of acidity of carboxylic acids. Cl3CCOOH > Cl2 CHCO...
05:30
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- State Le Chatelier's principle. Discuss the effect of pressure, concen...
08:01
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- Two moles of HI were heated in a scaled tube at 440^@Cuntil the equili...
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- Find out Kp//Kc for: CO(g)+frac 1/2 O2 (g) overset (rarr)(larr) CO2 (g...
01:30
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- What will be pH of the solution obtained by mixing 50 ml 0.1 (N) CH3CO...
07:31
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