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Which class of covalent hydrides are con...

Which class of covalent hydrides are considered as lewis acids?

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Electron defient hydrides.
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AAKASH INSTITUTE ENGLISH-HYDROGEN-ASSIGNMENT (SECTION - D) (Assertion-Reason Type question)
  1. Which class of covalent hydrides are considered as lewis acids?

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  2. A : ScH(2) is an example of ionic hydride. R : All metal forms ionic...

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  3. A : Temporary hardness is due to HCO(3)^(-) ions. R : permanent hard...

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  4. A : The molarity of 20 volume H(2)O(2) is 3.58 M. R : Volume strengh...

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  5. A : Permanent hardness of water is due to the presence of chlorine or ...

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  6. A : Atomic hydrogen is more reactive than naxcent hydrogen. R : The ...

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  7. Assertion (A) The O-O bond length in H(2)O(2) is shorter than that in ...

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  8. A : H(2)O(2) reacts with K(2)Cr(2)O(7) to give blue colour. H(2)O(2)...

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  9. A : Water is a poor solvent for non polar compounds. R : Covalent co...

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  10. A : Zn dissolve in excess of NaOH solution so as to give H(2) R : Zn...

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  11. A : Complete hydrolysis of one mole of peroxydi-sulphuric acid gives o...

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  12. A : H2O liberate O2 an reaction with KMnO4 in acidic medium. R : KMn...

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  13. Statement-1: Hydrogen gas is liberated by the action of aluminium with...

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  14. A : pH of water termperature dependent. R : Boiling water has pH les...

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  15. A : H2O2 decomposes on exposure to light. R : It is stored in dark w...

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  16. A : Dihedral angle of H2O2 in gas phase is greater than in solid phase...

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