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V PUBLICATION-THE p - BLOCK ELEMENTS-QUESTION BANK
- Write reactions to justify the amphoteric nature of Al.
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- What are electron deficient compounds? Are BCl3 and SiCl4 electron def...
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- Write down the resonance structures of CO3^(2-) and HCO3^(-)
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- What is the state of hybridisation of carbon in (a) 'CO3^(2-)' (b) ...
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- Explain the difference in properties of diamond and graphite on the ba...
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- Rationalise the statements and give chemical reactions. (i) Lead (II) ...
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- Suggest a reason why B-F bond length in BF3 (130 pm) and BF4^(-) (143 ...
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- If 'B-Cl' bond has a dipole moment, explain why 'BCl3' molecule has ze...
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- Aluminium trifluoride is insoluble in anhydrous HF but dissolves on ad...
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- Carbon monoxide is highly poisonous. Why?
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- Two important oxides of carbon are carbon monoxide and carbon dioxide....
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- Borax, orthoboric acid and diborane are some useful compounds of boron...
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- What happens when Borax is heated
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- Explain the reaction Si is heated with methyl chloride at high tempera...
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- Give reasons (vii) Aluminium wire is used to make transmission cables.
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- Explain why is there a phenomenal decrease in ionisation enthalpy from...
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- How do you explain the lower atomic radius of gallium as compared to a...
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- Carbon has many allotropes. Write the name of any two allotropic forms...
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- Classify the oxides as neutral, acidic amphoteric and basic CO, B2O3...
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- In some of the reactions, thallium resembles aluminium, whereas in oth...
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