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UNITED BOOK HOUSE-MODEL QUESTION PAPER 1-EXERCISE
- How will you convert a mixture of CO and CO2 completely into CO ?
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- (CH3)3C-Cl, is unreactive, towards SN^2 reaction.Why?
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- Write one effect of depletion of ozone layer and one measure for the p...
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- Give the electronic configuration of 24Cr^(3+). Find the .number of un...
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- Why ionisation enthalpy of nitrogen is greater than that of oxygen ato...
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- Which one of the following elements has the least electron affinity? B...
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- Which one is more basic and why-mGo & Al(2)O(3)?
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- The general electronic configuration of d-block elements is
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- According to VSEPR theory explain the shape of ClF3.
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- “CCI4 does not have any hydrolysis lent SiCl4 suffers hydrolysis— Why?
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- Explain the formation and difference between a sigma bond and a pibond...
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- At 273 K and 76 cm pressure, the volume of 0.64 g of any gas is 224 mL...
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- Calculate the difference between heat of reaction at constant pressure...
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- Density is an intensive property.Explain.
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- An 'ideal gas enclosed in a cylinder fitted with a piston of volume Zi...
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- What is the oxidation number of Fe in Fe (CO)s?
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- Balance the following chemical equation by ion electron method.IO3^(-)...
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- Balance the following chemical equation by oxidation number method : K...
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- Mention the oxidation number of two nitrogen atom in NH4NO3 molecule.
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- State one method to remove permanent hardness of water.
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